OT-2026-000031612
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single 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-2026-000031612) never changes.
Identity and time
| Publication number | OT-2026-000031612 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bacf-72ba-8cbd-c2d990f6a901 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031612 |
| Status | PUBLIC |
Content hashes
| Canonical text | 68f309c05570fa3cc623ea7328d3e901cac1fd58d9c265cd8eca4c474fd06c1d |
|---|---|
| Markdown | 5abf3f04040d92d9606c4f7ba079959f4a1e22a4b24e3f7829f2a5f0cea27c08 |
| Publication page | 5e779de5c9506fd14fa253762314ec3be71c8b13a7a44eb83a8c953010c22ceb |
| Manifest | 9675cd5744ef3d634175b0cdf3710bf0c6cd356059af8d61ec3e370cfde895ef |
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 | WPeyqLUNDfYgv5Itx1tAaUWhDILQbEcOVdhgOWaPHgW2SEZvgswoXUBeS8NqqKSp8qAe+ITmL5qTlvh4wKNdDw== |
| 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
| 2026-09-17T11:34:39.537218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031612observed 5e779de5c9506fd14fa253762314ec3b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:39.520258Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031612/manifest.jsonobserved 9675cd5744ef3d634175b0cdf3710bf0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:39.503376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031612/publication.mdobserved 5abf3f04040d92d9606c4f7ba079959f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:39.479689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031612/publication.txtobserved 68f309c05570fa3cc623ea7328d3e901...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. |
|---|