OT-2026-000022731
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000022731) never changes.
Identity and time
| Publication number | OT-2026-000022731 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46e9-77df-b034-19fd5b8ac8a7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022731 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1674cc7b4eb04d4b4391f99a576c9d71419ffa0cb6ce79eeedf54b97dd994675 |
|---|---|
| Markdown | 86752bd17ffa8e7be5cc69e7b6462fe631c68d083a931ff9fa40b5ef26811817 |
| Publication page | 9112b59db4ac4e46b60ca2bfe502930b4a8adbd508f05732d629688eee486a19 |
| Manifest | 46a4ee77ad23efbe4695b8a062bc8a47fd4ef6d4fb8b6b028da4dd32976bf252 |
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 | TPq1A9ylJkAe1OVXlsjOnXr/4ZEQrsrubNHx/frvInC4oEtmlvvgutjk1+v1irAtC/Z1HY88eruYbt0log5rDQ== |
| 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
| 2026-09-17T11:52:14.128307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022731observed 9112b59db4ac4e46b60ca2bfe502930b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:14.111706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022731/manifest.jsonobserved 46a4ee77ad23efbe4695b8a062bc8a47...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:14.093954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022731/publication.mdobserved 86752bd17ffa8e7be5cc69e7b6462fe6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:14.077162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022731/publication.txtobserved 1674cc7b4eb04d4b4391f99a576c9d71...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. |
|---|