OT-2026-000000971
Publication integrity record
Strut structure for a crane detachable into two sub-assemblies
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-2026-000000971) never changes.
Identity and time
| Publication number | OT-2026-000000971 · never reused |
|---|---|
| Internal UUID | 01a0a674-1441-7620-8007-5b5983c8da14 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:40.354435Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000971 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0c983c5ae007b7105243d29643214163276ccf65b0e7ac5b32f0864f46473afe |
|---|---|
| Markdown | e5597129ca1d4a4a6a4daa8c662192b048348c545ce596af30157ac22f8fb562 |
| Publication page | c6cc50c8c7eaeed56b1e15a42738ce1b01e9c2d03ab2b61a9a6e2c7baa3704b8 |
| Manifest | 2c80bef95b2ef18af30e126ec93c4a9076f243a1d2be6d00a054d92bf7f8f1e3 |
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 | fO2smX7E/Jn4LM2yTN21jCkKR3H69MV69bok//0Vnq+sFAwkcTw3BdantQenX+OAzM1ojTmEQJTYH0G7bRuzAw== |
| 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
| 2026-10-24T20:41:34.555975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000971observed c6cc50c8c7eaeed56b1e15a42738ce1b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T20:41:34.509965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000971/manifest.jsonobserved 2c80bef95b2ef18af30e126ec93c4a90...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T20:41:34.460588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000971/publication.mdobserved e5597129ca1d4a4a6a4daa8c662192b0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T20:41:34.248793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000971/publication.txtobserved 0c983c5ae007b7105243d29643214163...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:13.368199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000971observed c6cc50c8c7eaeed56b1e15a42738ce1b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:13.213673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000971/manifest.jsonobserved 2c80bef95b2ef18af30e126ec93c4a90...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:13.200145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000971/publication.txtobserved 0c983c5ae007b7105243d29643214163...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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