OT-2026-000021281
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000021281) never changes.
Identity and time
| Publication number | OT-2026-000021281 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7fe6-a89f-af40285d2a6a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021281 |
| Status | PUBLIC |
Content hashes
| Canonical text | 912b0795e907f4de1b37d90349114cfeb9678a687763a7664d41238105c47c1f |
|---|---|
| Markdown | 0c94d2f307134619f8abd13c614449d3599e940421f8a7f839fd2fc3f933f8dd |
| Publication page | c0eb8dc5e1e706b197f3cee85d4601ec1d53a0288ef03dafe7d789b876a8e2a1 |
| Manifest | fadb7e5fe9854eff9684828a8e0236f68422cf8b621e4783279721a20682f556 |
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 | xDYX/rtIlAK4z+2PdDagvQ+RrwKsWDiN3wyPboYOzIC6Y9S+6jIZvQEMFrBJ3/3LOi4m7cQTQU5IiwnPrCwGDg== |
| 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
| 2026-09-17T11:55:06.762897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021281observed c0eb8dc5e1e706b197f3cee85d4601ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:06.744920Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021281/manifest.jsonobserved fadb7e5fe9854eff9684828a8e0236f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:06.728372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021281/publication.mdobserved 0c94d2f307134619f8abd13c614449d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:06.708969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021281/publication.txtobserved 912b0795e907f4de1b37d90349114cfe...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. |
|---|