OT-2026-000028512
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, sustained 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-2026-000028512) never changes.
Identity and time
| Publication number | OT-2026-000028512 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-73af-8b18-50db43345f5d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028512 |
| Status | PUBLIC |
Content hashes
| Canonical text | f16f7e1839178347aa82cbf84ace4b41e7bf32db86bb8fdf6a4de560328896d7 |
|---|---|
| Markdown | b35b18e5e492061f74ea59f820aedf74d9907243029ba730fa067bb172617311 |
| Publication page | 230faa526be59a5b954f05df4420a425f6052f672dc955af638c9efa7a9e56cf |
| Manifest | 7967fad968b1b998705d0f199be59bce5ed15d3807cca470ead8be41a686021e |
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 | oNJMeQQtxKlCDmNarWi3Fy1wndYBcbdCuTsjMF7XhFyOaV1AI2ev5A660YcN8+TKhynVKIZWEyPSw6ftKICnBQ== |
| 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
| 2026-09-17T11:40:46.708121Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028512observed 230faa526be59a5b954f05df4420a425...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:46.690317Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028512/manifest.jsonobserved 7967fad968b1b998705d0f199be59bce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:46.670947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028512/publication.mdobserved b35b18e5e492061f74ea59f820aedf74...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:46.651432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028512/publication.txtobserved f16f7e1839178347aa82cbf84ace4b41...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. |
|---|