OT-2026-000021651
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000021651) never changes.
Identity and time
| Publication number | OT-2026-000021651 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-78fb-a36b-0b17ba22a771 · 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-2026-000021651 |
| Status | PUBLIC |
Content hashes
| Canonical text | a12f9de57c1aca227977973c166c5b6023e47ee2e4a2c86a62cff092b3ae37ef |
|---|---|
| Markdown | c66606fb2e6c998463f4ba764a7b2050d7358b1c99ccee02cb984b78d0a29363 |
| Publication page | fe89c339d0fa2a20018ce333684c7d531e7a66998727bc34053b2354851fb674 |
| Manifest | 8fbbb37dcc98766d9398377e7d2c5273ff8c205853add6ac9cb3456862b986eb |
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 | OtQE2U1gKXWwOtbK8Qd+ogvW/ZIfzAsfsmwpD6bVszaGxNPJRQ0eQnXFmffgmlpFTbo4POwDowOAhilyxGytCQ== |
| 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
| 2026-09-17T11:54:11.260841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021651observed fe89c339d0fa2a20018ce333684c7d53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:11.243278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021651/manifest.jsonobserved 8fbbb37dcc98766d9398377e7d2c5273...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:11.226061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021651/publication.mdobserved c66606fb2e6c998463f4ba764a7b2050...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:11.209135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021651/publication.txtobserved a12f9de57c1aca227977973c166c5b60...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. |
|---|