OT-2026-000021989
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000021989) never changes.
Identity and time
| Publication number | OT-2026-000021989 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5c-7510-9c51-edac84c5cb41 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021989 |
| Status | PUBLIC |
Content hashes
| Canonical text | c50059276150058d0ceccb3b01cdf5721069a3a4247906c430b991be5e0d641e |
|---|---|
| Markdown | f10d23d4a9193a500403d31d63def9ffdbe9fa019ce2b279f49a2b150911d5fd |
| Publication page | 0cb6bb42f2cf245d4447bca020c0c6d5e963ab0377333ede3f88c19f39b175bd |
| Manifest | 051cbbfc05434339106c9680b5c4c5b8f2706b8949daa366bd472ea5ad35ec7a |
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 | awOedgg91zHa53RerLkT0EsEmDCsRaz2BZ9zw+tpfNT4oaB1n3HpZmsyLBk+9Y9+Ug1I2YrWyauwQYUJMrb3Ag== |
| 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
| 2026-09-17T11:54:39.874907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021989observed 0cb6bb42f2cf245d4447bca020c0c6d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:39.855373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021989/manifest.jsonobserved 051cbbfc05434339106c9680b5c4c5b8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.835871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021989/publication.mdobserved f10d23d4a9193a500403d31d63def9ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.817455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021989/publication.txtobserved c50059276150058d0ceccb3b01cdf572...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. |
|---|