OT-2026-000030981
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000030981) never changes.
Identity and time
| Publication number | OT-2026-000030981 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb7-7d20-a291-3c917b461ec6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030981 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9833784e52a33bb6bb696396787622d10aa3d54b393168dcac8edb20873931cd |
|---|---|
| Markdown | e9c3661351b15f7b1e718346e2a214697273aa8f7a6b761ddc51577a44de9945 |
| Publication page | c08cfab1ac2d85f8a0d2af797a4105153e97ef7dd34aa0809e6dd1ae94e39b91 |
| Manifest | ff0a7103d965765d5446c6d3d6678d40c5e5c7d98cb6cd39c66fce103b148c58 |
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 | 5cTqptAKjEuna/NL0Wz0xmd/cfOFUIjRLb/VWBJG19T4TzCc1KesYdGh0+tnzYXiMAeXqvOyHSf6EaXpagCPAg== |
| 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
| 2026-09-17T11:36:59.494100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030981observed c08cfab1ac2d85f8a0d2af797a410515...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:59.475783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030981/manifest.jsonobserved ff0a7103d965765d5446c6d3d6678d40...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:59.457151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030981/publication.mdobserved e9c3661351b15f7b1e718346e2a21469...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:59.436612Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030981/publication.txtobserved 9833784e52a33bb6bb696396787622d1...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. |
|---|