{
  "schemaVersion": "2.74",
  "lastModified": "2026-10-04",
  "canonical": "https://yangtsunghann.com/en/data/recovery-delta.json",
  "source": "Google Search Console URL Inspection history after V2.60 production deployment",
  "property": "sc-domain:yangtsunghann.com",
  "status": "no_verified_recovery_yet_waiting_for_new_google_crawl",
  "purpose": "Verifies whether Google actually recrawled and changed index state after V2.60. V2.61 separates state transitions backed by a newer Google crawl timestamp from inspection-label changes that occur without a new crawl. Only the former is counted as verified recovery delta.",
  "baseline": {
    "version": "2.59",
    "inspectionCoverage": "84/84",
    "counts": {
      "Submitted and indexed": 32,
      "Crawled - currently not indexed": 1,
      "Discovered - currently not indexed": 28,
      "URL is unknown to Google": 22,
      "Not found (404)": 1
    }
  },
  "latestObservedSnapshot": {
    "counts": {
      "Submitted and indexed": 32,
      "Crawled - currently not indexed": 1,
      "Discovered - currently not indexed": 19,
      "URL is unknown to Google": 31,
      "Not found (404)": 1
    },
    "netVsV259": {
      "Submitted and indexed": 0,
      "Crawled - currently not indexed": 0,
      "Discovered - currently not indexed": -9,
      "URL is unknown to Google": 9,
      "Not found (404)": 0
    },
    "importantWarning": "The net shift from Discovered to Unknown is not supported by new crawl timestamps and is therefore not treated as a verified Google recrawl regression."
  },
  "priorityReinspection": {
    "urlsInspected": 7,
    "records": [
      {
        "url": "https://yangtsunghann.com/en/artwork/tunnel-of-four-seasons/01/",
        "v259Baseline": "Not found (404)",
        "v260Immediate": "Not found (404)",
        "v261Reinspection": "Not found (404)",
        "lastCrawlTime": "2026-10-03T08:44:59Z",
        "pageFetchState": "NOT_FOUND",
        "newCrawlObserved": false,
        "verifiedRecovery": false
      },
      {
        "url": "https://yangtsunghann.com/bibliography/colors-of-memory/",
        "v259Baseline": "Crawled - currently not indexed",
        "v260Immediate": "Crawled - currently not indexed",
        "v261Reinspection": "Crawled - currently not indexed",
        "lastCrawlTime": "2026-10-03T11:44:45Z",
        "pageFetchState": "SUCCESSFUL",
        "newCrawlObserved": false,
        "verifiedRecovery": false
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/tunnel-at-night/",
        "v259Baseline": "Discovered - currently not indexed",
        "v260Immediate": "Discovered - currently not indexed",
        "v261Reinspection": "URL is unknown to Google",
        "lastCrawlTime": null,
        "pageFetchState": "PAGE_FETCH_STATE_UNSPECIFIED",
        "newCrawlObserved": false,
        "verifiedRecovery": false,
        "classificationNote": "State label changed without a Google crawl timestamp; do not count as a crawl-based regression or recovery."
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/tunnel-at-complete-24-hours/",
        "v259Baseline": "Discovered - currently not indexed",
        "v260Immediate": "Discovered - currently not indexed",
        "v261Reinspection": "URL is unknown to Google",
        "lastCrawlTime": null,
        "pageFetchState": "PAGE_FETCH_STATE_UNSPECIFIED",
        "newCrawlObserved": false,
        "verifiedRecovery": false,
        "classificationNote": "State label changed without a Google crawl timestamp; do not count as a crawl-based regression or recovery."
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/pixel-tunnel/",
        "v259Baseline": "Discovered - currently not indexed",
        "v260Immediate": "Discovered - currently not indexed",
        "v261Reinspection": "URL is unknown to Google",
        "lastCrawlTime": null,
        "pageFetchState": "PAGE_FETCH_STATE_UNSPECIFIED",
        "newCrawlObserved": false,
        "verifiedRecovery": false,
        "classificationNote": "State label changed without a Google crawl timestamp; do not count as a crawl-based regression or recovery."
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/tunnel-of-four-seasons/",
        "v259Baseline": "Submitted and indexed",
        "v260Immediate": "not_in_priority_reinspection_set",
        "v261Reinspection": "Submitted and indexed",
        "lastCrawlTime": "2026-10-02T19:27:03Z",
        "pageFetchState": "SUCCESSFUL",
        "newCrawlObserved": false,
        "verifiedRecovery": false,
        "stableIndexedControl": true
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/sck/",
        "v259Baseline": "Submitted and indexed",
        "v260Immediate": "not_in_priority_reinspection_set",
        "v261Reinspection": "Submitted and indexed",
        "lastCrawlTime": "2026-10-02T16:27:16Z",
        "pageFetchState": "SUCCESSFUL",
        "newCrawlObserved": false,
        "verifiedRecovery": false,
        "stableIndexedControl": true
      }
    ],
    "newGoogleCrawlTimestampsObserved": 0,
    "verifiedRecoveries": 0,
    "verifiedRegressions": 0,
    "stableIndexedControls": 2
  },
  "inspectionLabelVolatility": {
    "observedTransitions": 18,
    "transitionsWithNewCrawlTimestamp": 0,
    "records": [
      {
        "url": "https://yangtsunghann.com/en/exhibitions/",
        "before": "Discovered - currently not indexed",
        "after": "URL is unknown to Google",
        "crawlTimestampChanged": false,
        "countsAsVerifiedRecoveryDelta": false
      },
      {
        "url": "https://yangtsunghann.com/artwork/sck/02/",
        "before": "Discovered - currently not indexed",
        "after": "URL is unknown to Google",
        "crawlTimestampChanged": false,
        "countsAsVerifiedRecoveryDelta": false
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/pixel-tunnel/",
        "before": "Discovered - currently not indexed",
        "after": "URL is unknown to Google",
        "crawlTimestampChanged": false,
        "countsAsVerifiedRecoveryDelta": false
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/tunnel-at-complete-24-hours/",
        "before": "Discovered - currently not indexed",
        "after": "URL is unknown to Google",
        "crawlTimestampChanged": false,
        "countsAsVerifiedRecoveryDelta": false
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/tunnel-at-night/",
        "before": "Discovered - currently not indexed",
        "after": "URL is unknown to Google",
        "crawlTimestampChanged": false,
        "countsAsVerifiedRecoveryDelta": false
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/tunnel-of-four-seasons/02/",
        "before": "URL is unknown to Google",
        "after": "Discovered - currently not indexed",
        "crawlTimestampChanged": false,
        "countsAsVerifiedRecoveryDelta": false
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/tunnel-of-four-seasons/04/",
        "before": "URL is unknown to Google",
        "after": "Discovered - currently not indexed",
        "crawlTimestampChanged": false,
        "countsAsVerifiedRecoveryDelta": false
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/pixel-tunnel/02/",
        "before": "Discovered - currently not indexed",
        "after": "URL is unknown to Google",
        "crawlTimestampChanged": false,
        "countsAsVerifiedRecoveryDelta": false
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/pixel-tunnel/05/",
        "before": "Discovered - currently not indexed",
        "after": "URL is unknown to Google",
        "crawlTimestampChanged": false,
        "countsAsVerifiedRecoveryDelta": false
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/pixel-tunnel/03/",
        "before": "Discovered - currently not indexed",
        "after": "URL is unknown to Google",
        "crawlTimestampChanged": false,
        "countsAsVerifiedRecoveryDelta": false
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/pixel-tunnel/01/",
        "before": "Discovered - currently not indexed",
        "after": "URL is unknown to Google",
        "crawlTimestampChanged": false,
        "countsAsVerifiedRecoveryDelta": false
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/pixel-tunnel/09/",
        "before": "URL is unknown to Google",
        "after": "Discovered - currently not indexed",
        "crawlTimestampChanged": false,
        "countsAsVerifiedRecoveryDelta": false
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/pixel-tunnel/08/",
        "before": "Discovered - currently not indexed",
        "after": "URL is unknown to Google",
        "crawlTimestampChanged": false,
        "countsAsVerifiedRecoveryDelta": false
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/pixel-tunnel/ii-02/",
        "before": "Discovered - currently not indexed",
        "after": "URL is unknown to Google",
        "crawlTimestampChanged": false,
        "countsAsVerifiedRecoveryDelta": false
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/pixel-tunnel/06/",
        "before": "Discovered - currently not indexed",
        "after": "URL is unknown to Google",
        "crawlTimestampChanged": false,
        "countsAsVerifiedRecoveryDelta": false
      },
      {
        "url": "https://yangtsunghann.com/artwork/tunnel-at-night/03/",
        "before": "Discovered - currently not indexed",
        "after": "URL is unknown to Google",
        "crawlTimestampChanged": false,
        "countsAsVerifiedRecoveryDelta": false
      },
      {
        "url": "https://yangtsunghann.com/en/bibliography/ten-thousand-images-threads-in-common/",
        "before": "Discovered - currently not indexed",
        "after": "URL is unknown to Google",
        "crawlTimestampChanged": false,
        "countsAsVerifiedRecoveryDelta": false
      },
      {
        "url": "https://yangtsunghann.com/en/artwork/",
        "before": "Discovered - currently not indexed",
        "after": "URL is unknown to Google",
        "crawlTimestampChanged": false,
        "countsAsVerifiedRecoveryDelta": false
      }
    ],
    "interpretation": "Inspection labels can move between 'Discovered - currently not indexed' and 'URL is unknown to Google' without a new crawl timestamp. V2.61 treats these as non-crawl classification changes, not as proof that Google fetched or unfetched a page."
  },
  "p0": {
    "url": "https://yangtsunghann.com/en/artwork/tunnel-of-four-seasons/01/",
    "v260Action": "canonical-path 200 rewrite guard + cache revalidation + index/follow header",
    "googleStateNow": "Not found (404)",
    "lastGoogleCrawl": "2026-10-03T08:44:59Z",
    "newCrawlAfterV260": false,
    "closed": false,
    "closureRule": "Close only after a newer Google crawl no longer reports 404."
  },
  "p1": {
    "url": "https://yangtsunghann.com/bibliography/colors-of-memory/",
    "v260Action": "Article JSON-LD enrichment + image entity + revalidation header",
    "googleStateNow": "Crawled - currently not indexed",
    "lastGoogleCrawl": "2026-10-03T11:44:45Z",
    "newCrawlAfterV260": false,
    "closed": false,
    "closureRule": "Close only after a newer crawl and/or transition to Submitted and indexed."
  },
  "connectorOperations": {
    "inspectionQuotaSnapshot": {
      "used": 385,
      "limit": 2000,
      "remaining": 1615
    },
    "sitemapResubmission": {
      "status": "blocked_by_webmasters_readonly",
      "siteDefect": false
    }
  },
  "successCriteria": [
    "P0 receives a Google crawl timestamp later than 2026-10-03T08:44:59Z and no longer reports 404.",
    "P1 receives a crawl timestamp later than 2026-10-03T11:44:45Z and can be compared against its current selection state.",
    "A recovery transition is counted only when supported by a newer crawl timestamp or a stable direct index-state transition with equivalent corroboration.",
    "Discovered/Unknown label-only oscillation without a new crawl is not counted as recovery or regression."
  ],
  "summary": {
    "verifiedRecoveryDelta": 0,
    "verifiedRegressionDelta": 0,
    "priorityUrlsReinspected": 7,
    "newGoogleCrawlTimestampsObserved": 0,
    "labelOnlyTransitionsObserved": 18,
    "baselineIndexedUrls": 32,
    "latestObservedIndexedUrls": 32,
    "netIndexedDelta": 0,
    "p0Closed": false,
    "p1Closed": false,
    "indexingRecoveryCertified": false,
    "visibleContentChanged": false
  },
  "relatedData": {
    "indexRecoveryExecution": "/en/data/index-recovery-execution.json",
    "indexRecovery": "/en/data/index-recovery.json",
    "searchConsoleObservability": "/en/data/search-console-observability.json",
    "dataGovernance": "/en/data/data-governance.json",
    "performanceDashboard": "/en/data/performance-dashboard.json",
    "launchReadiness": "/en/data/launch-readiness.json",
    "searchAiLaunchHardening": "/en/data/search-ai-launch-hardening.json"
  },
  "visibleContentChanged": false,
  "launchReadinessReinspection": {
    "checkedOn": "2026-10-04",
    "homepageState": "Submitted and indexed",
    "p0State": "Not found (404)",
    "p0LastCrawlTime": "2026-10-03T08:44:59Z",
    "p0NewCrawlObserved": false,
    "p1State": "Crawled - currently not indexed",
    "p1LastCrawlTime": "2026-10-03T11:44:45Z",
    "p1NewCrawlObserved": false,
    "verifiedRecoveryDelta": 0,
    "launchInterpretation": "Two external Google watch items remain; no local package blocker was found."
  },
  "searchAiLaunchReinspection": {
    "checkedOn": "2026-10-04",
    "p0State": "Not found (404)",
    "p0LastCrawlTime": "2026-10-03T08:44:59Z",
    "p0NewCrawlObserved": false,
    "p1State": "Crawled - currently not indexed",
    "p1LastCrawlTime": "2026-10-03T11:44:45Z",
    "p1NewCrawlObserved": false,
    "verifiedRecoveryDelta": 0
  }
}