OT-2026-000001381
Publication integrity record
Gripper system with hydraulic arrangement
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-2026-000001381) never changes.
Identity and time
| Publication number | OT-2026-000001381 · never reused |
|---|---|
| Internal UUID | 01a0a675-be56-7c85-ae65-1da5bc5abf44 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:05:29.431239Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001381 |
| Status | PUBLIC |
Content hashes
| Canonical text | c5ade16499dfb9dc4958d55e52423b5e621b68d96fd8038c55cba950145544f3 |
|---|---|
| Markdown | 47235579544d4196c689735a419bcdd8c773889834cb5d5de4462c52f2ee691d |
| Publication page | df33350ff5dde718d96f75a7527525eea8ff0f30d3a75b6200bb807dee8d9c94 |
| Manifest | b78a7fb58a8c3e414b218f6fa798c2d577d0d87a4b3814bba2a05479d1d7ecd3 |
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 | KCq1OuuEf7sxqY9xW/0G+jsc2jo6dISY/8F/wTjHFghe9oVAmhhrBB10aSdssHWZEuce2dbv40yiQLh10do8BQ== |
| 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
| 2026-09-15T20:10:22.963436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001381observed df33350ff5dde718d96f75a7527525ee...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:10:22.806508Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001381/manifest.jsonobserved b78a7fb58a8c3e414b218f6fa798c2d5...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:22.794634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001381/publication.txtobserved c5ade16499dfb9dc4958d55e52423b5e...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 |
|---|