OT-2026-000013731
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000013731) never changes.
Identity and time
| Publication number | OT-2026-000013731 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de9-76f2-9e24-bd03f7a652b3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013731 |
| Status | PUBLIC |
Content hashes
| Canonical text | 21e6d53cb54b64a3e3d86983e86c9d7515e4f33712d39adbfce4a588967f73d3 |
|---|---|
| Markdown | a72e18608b84f89984e00a6ecbabf5d272e61874e266f46a8c70125024ff8a24 |
| Publication page | b8f18a13fa54d46eed5538d5855eb75b2017f49cc1d85a885a595937021cc99a |
| Manifest | e5c98095817de05fcd61604fda1bd50719f85602de766be22716ef545d399eab |
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 | kInm221379fzBk6bg+HXSPt30pWOl7POAttmeGy3aLpVnwyqPTga0fB/98WXbju5j9p/JqvbScE9BlkfftcUDA== |
| 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
| 2026-09-17T12:08:41.844117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013731observed b8f18a13fa54d46eed5538d5855eb75b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:08:41.826667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013731/manifest.jsonobserved e5c98095817de05fcd61604fda1bd507...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:41.807041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013731/publication.mdobserved a72e18608b84f89984e00a6ecbabf5d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:41.788004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013731/publication.txtobserved 21e6d53cb54b64a3e3d86983e86c9d75...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. |
|---|