OT-2026-000021831
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000021831) never changes.
Identity and time
| Publication number | OT-2026-000021831 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-77c9-97ce-a81d6fd5cb20 · 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-2026-000021831 |
| Status | PUBLIC |
Content hashes
| Canonical text | 379a2429f97d91957d635c2318926fe8e60ca72eb79c84a196ebf1aab720149e |
|---|---|
| Markdown | 6a47ddd10cf3a8857d7737573945cb153fedf9f30692321ab590f3b8a823a3f3 |
| Publication page | 4087eadab594d471ebfc771024cf5c39da7fa47eb5b0e8abedcb89779e0435cc |
| Manifest | c95c002738fc4d944169fe201d95e5dfefeb80e01560a8c22f03dbcb673c1e3c |
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 | bXfoG21SHB9SnxGZ02rc3JHEYKSONkurEKvvN0ao8ltrvSfULfvOAVSvw0PGgvoZIEagWWQ2VIkUkJavHcAwBA== |
| 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
| 2026-09-17T11:54:23.251572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021831observed 4087eadab594d471ebfc771024cf5c39...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:23.233145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021831/manifest.jsonobserved c95c002738fc4d944169fe201d95e5df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:23.216701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021831/publication.mdobserved 6a47ddd10cf3a8857d7737573945cb15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:23.197783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021831/publication.txtobserved 379a2429f97d91957d635c2318926fe8...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. |
|---|