OT-2026-000021004
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000021004) never changes.
Identity and time
| Publication number | OT-2026-000021004 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-764c-890e-7f629d0c72cc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021004 |
| Status | PUBLIC |
Content hashes
| Canonical text | 30fdb2f8ad1a87466d57e91e511d2e44da080214be3f27850d3f0c89977214df |
|---|---|
| Markdown | fc9d50bdd07c60e0542221e4512037bde5ad70e2010f3eb69ce2a0cbc8275faa |
| Publication page | 7660f7b6fa05e647259f5cc2314ff178b85c2b4707b2d8f071eb7400d7589e94 |
| Manifest | 208683a513504f0725ec3cac24884f60289c89530bfe7fca5e702fea3d3c6447 |
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 | Z8qnVb2QGxN09o0clyVrCMlU1cvB5MTJejfYltcEYkE02edtZ7LmchCaBb1nc4XYYiuNS8K0HYnKHtuXO/sgBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:56:09.750250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021004observed 7660f7b6fa05e647259f5cc2314ff178...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:09.732944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021004/manifest.jsonobserved 208683a513504f0725ec3cac24884f60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:09.711741Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021004/publication.mdobserved fc9d50bdd07c60e0542221e4512037bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:09.693037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021004/publication.txtobserved 30fdb2f8ad1a87466d57e91e511d2e44...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|