OT-2026-000087921
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, sustained 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-2026-000087921) never changes.
Identity and time
| Publication number | OT-2026-000087921 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-1aa5-795c-a405-2a409cad155f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:03:15.638297Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087921 |
| Status | PUBLIC |
Content hashes
| Canonical text | fc91c33fc993eaeaa5c044517996ee0dfcd24d52d4087350beca8bb441b1f508 |
|---|---|
| Markdown | 3eb615504a55ddb32e4e8b42d1c9d649a5bf6a11eeabe5b08ed43689d56ba137 |
| Publication page | 84526dbb5b3475267d1137fbc6112d348940a5125b73b1c71773dbefa63204e4 |
| Manifest | b3a61f3543535b70bddebe3b61a94d9a54bc920a2051b61cc974de73db433cbb |
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 | JNn+6c8CVEikfNc44Flf7wGNjZL3r1Jtw6BSzGYnKtxXfQAZ4+OknxHGA25zBUqUl4O/IG/jE8ZV9okFAIvMBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:49:12.509425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087921observed 84526dbb5b3475267d1137fbc6112d34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:49:12.492450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087921/manifest.jsonobserved b3a61f3543535b70bddebe3b61a94d9a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:12.474311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087921/publication.mdobserved 3eb615504a55ddb32e4e8b42d1c9d649...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:12.457196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087921/publication.txtobserved fc91c33fc993eaeaa5c044517996ee0d...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. |
|---|