OT-2026-000043972
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000043972) never changes.
Identity and time
| Publication number | OT-2026-000043972 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-d678-75b8-b238-002abadd189b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:29:06.584190Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043972 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4b9cf81de2a5dbd601dd376008c63bd592db2ce53a3c3abb3ca9ce1eee12f01b |
|---|---|
| Markdown | 7ccd50b09472a6b94284943f6ac59efaebffee9ed3efff16fc5c00ef49bff59c |
| Publication page | 6b247254516c34757cf188cedcf81698a2ccfe4fef9582ec68f86ca5c0bfece5 |
| Manifest | f744222744f755d6aad68d308d425da03df5c572ce702cb6722c66d112afcf36 |
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 | 4hD8ooWiVKzePDmLNLLQ2kR1nQ9zjwNssrxEW+u5F/PwOT3iN/rfM/gMTbWuaK5ahLqyVCzoEMQGghk+A3+cBg== |
| 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
| 2026-09-17T11:12:20.035153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043972observed 6b247254516c34757cf188cedcf81698...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:12:20.017033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043972/manifest.jsonobserved f744222744f755d6aad68d308d425da0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:12:19.997510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043972/publication.mdobserved 7ccd50b09472a6b94284943f6ac59efa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:12:19.975867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043972/publication.txtobserved 4b9cf81de2a5dbd601dd376008c63bd5...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. |
|---|