OT-2026-000021720
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000021720) never changes.
Identity and time
| Publication number | OT-2026-000021720 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-77e7-80d8-b40386f0f807 · 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-2026-000021720 |
| Status | PUBLIC |
Content hashes
| Canonical text | 81b9074236c8cd47682872924138be7175a3f96ec32b982261a461e774a84010 |
|---|---|
| Markdown | 016ea4c00898b09864c99eba313b4fc9df0705bf832fe2e8de3ad0edacf99f7f |
| Publication page | f8251835d176bc36f592d9d35e100d27534aa3ef1313f2da1cba26771a2b03ed |
| Manifest | d9864fe35e668cf5f2d319540f32f384adf3fa89d31ad5c230214bc8b2dd241b |
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 | fyCfoEqZ422e6Ul5m67Vidm4yhj/M+dh4jEAjS6LSxeN9LUe+oVjx35KhSNaroJoqjC1aPndPH/VSUFlsHxaAw== |
| 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
| 2026-09-17T11:54:04.185513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021720observed f8251835d176bc36f592d9d35e100d27...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:04.166378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021720/manifest.jsonobserved d9864fe35e668cf5f2d319540f32f384...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:04.126567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021720/publication.mdobserved 016ea4c00898b09864c99eba313b4fc9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:04.086904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021720/publication.txtobserved 81b9074236c8cd47682872924138be71...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. |
|---|