{"seals": {"minted": 918, "verified": 900, "verified_of": 900, "ok": true, "re_verified_at": "2026-10-07T16:00:01+00:00", "tampered": 0, "broken_links": 0, "cas_records": 2037, "cas_bad": 0, "total_checksum": {"root": "0c9848e6f7df44bfb071a3131362b3011f286f601c29262a9b0911c596c77805", "count": 2055, "means": "sha256 over every sealed content hash, sorted — one checksum of the whole keeping. Each seal is the math at the beginning; this root is the math at the end."}, "receipt_cards": 1181, "oldest": "2026-06-28T13:09:03+00:00", "newest": "2026-10-07T16:48:29+00:00", "cite_url": "https://narrowhighway.org/s/<content_hash>"}, "note": "Every seal is permanent and re-checkable by its content hash (GET the cite_url). The chain is re-verified every hour by tools/integrity_check.py — recompute every content hash, confirm every prev_hash link, re-verify every bound CAS record; this reports that last check and counts the chain now. Numbers are computed at request time, never hardcoded."}