OT-2026-000003377
Publication integrity record
Cantilever conveying techniques
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-2026-000003377) never changes.
Identity and time
| Publication number | OT-2026-000003377 · never reused |
|---|---|
| Internal UUID | 01a0a6b8-d122-76f9-98f7-1290a8072837 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:18:45.154725Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003377 |
| Status | PUBLIC |
Content hashes
| Canonical text | 90c1b52a299e3b79ca6bb734c8b738aed4dc0e8763fc035e22d7cc74250053c4 |
|---|---|
| Markdown | 734fa3c48146d016126c4ac5fb1de363662d361aeb8ff1b74e853543ed6b125b |
| Publication page | f3e6f44c013c369b8a0adc89377fef58ce0d19fb2824af3a5d6bfa800d75a67f |
| Manifest | ff32dd20a883d15ed39db9029711d17c71b45d9433ba3d9cd86b01471967b4ef |
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 | 5GWStI59hXtOlkFKeqwrVpAhShcdyTuJReDiVIw+VEhRHNa8pyt0MV27vn3MKjYZszJElZv4eqhx+dcjzLBODQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:27:02Z batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof root 0d980c01ea01b2d7f69845e24a85320c... |
|---|
Independent retrieval
| 2026-09-16T00:42:29.359286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003377observed f3e6f44c013c369b8a0adc89377fef58...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T00:42:29.119640Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003377/manifest.jsonobserved ff32dd20a883d15ed39db9029711d17c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:42:28.662938Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003377/publication.mdobserved 734fa3c48146d016126c4ac5fb1de363...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T00:42:28.148372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003377/publication.txtobserved 90c1b52a299e3b79ca6bb734c8b738ae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T21:11:42.061996Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003377observed f3e6f44c013c369b8a0adc89377fef58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T21:11:42.027136Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003377/manifest.jsonobserved ff32dd20a883d15ed39db9029711d17c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T21:11:42.014180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003377/publication.txtobserved 90c1b52a299e3b79ca6bb734c8b738ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:03.529030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003377observed f3e6f44c013c369b8a0adc89377fef58...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 |
|---|