OT-2026-000021880
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000021880) never changes.
Identity and time
| Publication number | OT-2026-000021880 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7342-83fd-4c40ceb9f646 · 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-2026-000021880 |
| Status | PUBLIC |
Content hashes
| Canonical text | aab932f2c023615938bdcf5e4d78bf6107e506f30dcaa1695b8a751f01ea2325 |
|---|---|
| Markdown | b2575bfca3912bc2891577c8b86180ee61ce80c62d9af90388779374592c403e |
| Publication page | 318dbdd739466231d5ea495ac7c6c8a20ee214902c6bd58cbe7aece06ece4b40 |
| Manifest | 66bebf4b9dfa7ceed12129cf2bb6b64166f8bb5c33f5bb63ead6b66817f801ed |
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 | TAPNd+tcEE8o4rB8i6/rk0zB2CmatjF4hE5FmAgKSVeSbbsWqlbbGAkS3xmf/30RRUiAtCwKsa91xyhBqhTCAA== |
| 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
| 2026-09-17T11:54:26.704809Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021880observed 318dbdd739466231d5ea495ac7c6c8a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:26.682780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021880/manifest.jsonobserved 66bebf4b9dfa7ceed12129cf2bb6b641...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:26.661984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021880/publication.mdobserved b2575bfca3912bc2891577c8b86180ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:26.642138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021880/publication.txtobserved aab932f2c023615938bdcf5e4d78bf61...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. |
|---|