OT-2026-000012815
Publication integrity record
Four cup vacuum gripper, four zone face, pump fed, 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-2026-000012815) never changes.
Identity and time
| Publication number | OT-2026-000012815 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5563-78af-b7bc-d21db6e04120 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012815 |
| Status | PUBLIC |
Content hashes
| Canonical text | 05130bc886a4de8f48951e54280997aeb91d4770bc0e2e3c60b3f122e8cc1b0d |
|---|---|
| Markdown | c305a51d5f3f5ea810e9efa9cfbb9434e838e48988eb82751ff1bba1db9ea175 |
| Publication page | 21252f1b537f438610230d0edc3ca1f4df12b2a011d21e763f477cc3d93a47d4 |
| Manifest | 443f8f19bfdd3379a8deb8c25777363d9c690aa49a66f5e3f80249b1c4226cf1 |
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 | 9vr29R8xRQqE3JAzSrTAKmx3slNXr1hYPRKEDVSXYeiGkxFAzU5a3Y1/e4Nuc5W6OI0DNn/zP7o7VkElvYHbAw== |
| 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
| 2026-09-17T12:10:32.843780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012815observed 21252f1b537f438610230d0edc3ca1f4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:32.823440Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012815/manifest.jsonobserved 443f8f19bfdd3379a8deb8c25777363d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:32.805312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012815/publication.mdobserved c305a51d5f3f5ea810e9efa9cfbb9434...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:32.787008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012815/publication.txtobserved 05130bc886a4de8f48951e54280997ae...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. |
|---|