OT-2026-000002518
Publication integrity record
Clamping device and testing device
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-2026-000002518) never changes.
Identity and time
| Publication number | OT-2026-000002518 · never reused |
|---|---|
| Internal UUID | 01a0a67d-295e-786c-a903-d1ef12aa6e88 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:13:35.582817Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002518 |
| Status | PUBLIC |
Content hashes
| Canonical text | 357448617e2b151a049171454e8cefe8c5d6c0162c78de2fd29dff407a203de2 |
|---|---|
| Markdown | 63392a69ac59f002fcd6d1f9c61631dfde99e1d21abc72b83ed508424eb52304 |
| Publication page | 23e90b1173d0d0c77ab7e0180b03c580ba07587009725b8145ccaaabde7277ca |
| Manifest | 5622e0be3aad17d7df12fdf6cb811df23f330c76db0498f411d39fba17f0c73f |
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 | bRX/lDJZs0QJwBsFNttlV/7Tpeh7bzUlmUlZXCY1v81sIbVCpFDK5dHU1t0wnJKs3Uf5geyfyrXAT5dMmyX/DA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-09-15T19:30:37.915872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002518observed 23e90b1173d0d0c77ab7e0180b03c580...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:30:37.887375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002518/manifest.jsonobserved 5622e0be3aad17d7df12fdf6cb811df2...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:37.875166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002518/publication.txtobserved 357448617e2b151a049171454e8cefe8...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 |
|---|