OT-2026-000087981
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000087981) never changes.
Identity and time
| Publication number | OT-2026-000087981 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-1aa6-7471-b75d-99b3fcabfa8a · 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-2026-000087981 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8877ae987a51a2526bc8476943532722da96ac52fd2d48527d0cf26a504d9527 |
|---|---|
| Markdown | a7e3de0e82fd71b4192ec596b21ec259c0305294a344c16847c8d98866b941a8 |
| Publication page | 815dc027636f9432578d08b4db345dc5a85655aed8db935266886d7128c27996 |
| Manifest | 3a7a41d07dccf96171ec36feccef882e50462cedb728520611b4af41d880bd41 |
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 | VwYO6r7+ChLwcjDUkW2POGY3t3V8F0QR2c5iNcWhdUrIdf1uBD4C6rYkLllQm5Zy7ruL0GmFKpV8TQzL1tbgDQ== |
| 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
| 2026-09-17T09:49:16.772442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087981observed 815dc027636f9432578d08b4db345dc5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:49:16.755195Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087981/manifest.jsonobserved 3a7a41d07dccf96171ec36feccef882e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:16.739250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087981/publication.mdobserved a7e3de0e82fd71b4192ec596b21ec259...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:16.702161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087981/publication.txtobserved 8877ae987a51a2526bc8476943532722...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. |
|---|