OT-2026-000003477
Publication integrity record
Level/plumb indicator with tilt compensation
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000003477) never changes.
Identity and time
| Publication number | OT-2026-000003477 · never reused |
|---|---|
| Internal UUID | 01a0a6c5-7c84-7cf6-b26d-8cdc3304eaca · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:32:35.460482Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003477 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5d3244dea8b0c2af9c2de11fdda6ff5e42d09e1d2349ed06574e8f6104620f99 |
|---|---|
| Markdown | 1f25b3bbeb7a9a2dac86f494958734b2f2f9de67005280ac66d95bd6bdbdc385 |
| Publication page | 44e875fc63026fd973b083c879617734a3c1f9d2c6bec1e9a64cc7142f49ff92 |
| Manifest | c48b71909c8fcc0afe9bd0bf70d271d5137d3cb711eaaf390faa827fbaae3fbc |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | Dk5QtYM6ur1/UBXOqvQWCHVpsYjg6QyNwdiHv3Hedgbu+xkL2JkrVn5QYFCw74Z8LsUqMm03YypI6ISNzwZcBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:36:25Z batch OT-TS-2026-W38-006 · RFC 3161 token · inclusion proof root 40fdb380c9f41bd58bb35c455dde2c7d... |
|---|
Independent retrieval
| 2026-09-26T12:41:36.701580Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003477observed 44e875fc63026fd973b083c879617734...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-26T12:41:36.651796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003477/manifest.jsonobserved c48b71909c8fcc0afe9bd0bf70d271d5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:36.571972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003477/publication.mdobserved 1f25b3bbeb7a9a2dac86f494958734b2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:36.478164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003477/publication.txtobserved 5d3244dea8b0c2af9c2de11fdda6ff5e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:05.483464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003477observed 44e875fc63026fd973b083c879617734...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:05.324197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003477/manifest.jsonobserved c48b71909c8fcc0afe9bd0bf70d271d5...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:05.309753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003477/publication.txtobserved 5d3244dea8b0c2af9c2de11fdda6ff5e...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
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