OT-2026-000000275
Publication integrity record
Pipe alignment 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-2026-000000275) never changes.
Identity and time
| Publication number | OT-2026-000000275 · never reused |
|---|---|
| Internal UUID | 01a0a673-2e0f-7924-8896-b617d1f9973f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:41.423628Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000275 |
| Status | PUBLIC |
Content hashes
| Canonical text | ed634b26ddfa711b542cb86f72dbfce7df88d7444a4dfb187241a9aac4fe8d41 |
|---|---|
| Markdown | 124531c0e9df71eedc89e689b24a175706da9dadf8e16b2c4b59b1eb22850f31 |
| Publication page | cbd80a29e5718b93ef4c546e456cd7261c3ffc48bec17d75b7a7875360822de7 |
| Manifest | ba905bb9d9305496fdd301627bc9601d4efc21626cc09ba8f566203815e028e2 |
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 | qZnwl8tuoP59zqau1fE++xP4RypNMJKPQ+PftyMoktNDvvtkT6cljR7IujrkdcpWIi7O9FmBu4RVIh3ij4RMDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:07:03Z batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof root 6369baadb1a246009d149835804d20ba... |
|---|
Independent retrieval
| 2026-10-03T08:41:32.698923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000275observed cbd80a29e5718b93ef4c546e456cd726...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-03T08:41:32.652142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000275/manifest.jsonobserved ba905bb9d9305496fdd301627bc9601d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T08:41:32.582941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000275/publication.mdobserved 124531c0e9df71eedc89e689b24a1757...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T08:41:32.415303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000275/publication.txtobserved ed634b26ddfa711b542cb86f72dbfce7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:29.095008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000275observed cbd80a29e5718b93ef4c546e456cd726...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:29.062896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000275/manifest.jsonobserved ba905bb9d9305496fdd301627bc9601d...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:29.049659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000275/publication.txtobserved ed634b26ddfa711b542cb86f72dbfce7...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 |
|---|