OT-2026-000020809
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000020809) never changes.
Identity and time
| Publication number | OT-2026-000020809 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-7828-89e8-f78eaee162aa · 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-2026-000020809 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5b33dafe06254740c5b7c0e626165202158b649e91f8f616eea8b03c1a12f5ad |
|---|---|
| Markdown | 1bb22fbd0eb878fbd17bc5989fd13e91137c3a1e589939f3317de1719c392006 |
| Publication page | 0e60efa1673a71e60ec0d1bf4f9d902cc112851580ee13090866d89a3961b1bb |
| Manifest | 53ef9e37e21e474f5caf117bbcebd4c504ab557a9a4a2494b7b173c29b21e177 |
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 | XJk4lcZVWI5gsAErZmf0Sqd3zf2etr4jhtpRsw9BKCfUpwRWmKTbhGOtBU+6Vdp3Jve/YptyQITUn1BQaO6DAQ== |
| 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
| 2026-09-17T11:55:53.794902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020809observed 0e60efa1673a71e60ec0d1bf4f9d902c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:53.775347Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020809/manifest.jsonobserved 53ef9e37e21e474f5caf117bbcebd4c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:53.757878Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020809/publication.mdobserved 1bb22fbd0eb878fbd17bc5989fd13e91...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:53.740597Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020809/publication.txtobserved 5b33dafe06254740c5b7c0e626165202...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. |
|---|