OT-2026-000021747
Publication integrity record
Foam pad vacuum gripper, two 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-2026-000021747) never changes.
Identity and time
| Publication number | OT-2026-000021747 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-78d2-8133-241edce88be7 · 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-2026-000021747 |
| Status | PUBLIC |
Content hashes
| Canonical text | ed4d7741f582bfd006dbc0e5f7aacabbdb9e42eec059e8d48f401a68afc2a2b1 |
|---|---|
| Markdown | a1aa8231e8a8dd19a1e0f34c080784062d5258db41c581859ac4efa2c06a6a82 |
| Publication page | 642c0de9c1726eff99018aa420036b020ac60747862cffde0cf4ee79de7aacbe |
| Manifest | fb453f26f230164a2b642fc5171185a6956c1b4e86c5b7ff0a5079e18308855f |
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 | 4RVgQ6iQXbK6QjmCxzIf34KUYHzCp3vy1TPdUfJRm/Kwq7UKvYGHGgrRgfFDfZyJEg4l+lG9ELs3ffx2cIv7BQ== |
| 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
| 2026-09-17T11:54:17.197577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021747observed 642c0de9c1726eff99018aa420036b02...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:17.176229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021747/manifest.jsonobserved fb453f26f230164a2b642fc5171185a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:17.156530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021747/publication.mdobserved a1aa8231e8a8dd19a1e0f34c08078406...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:17.136903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021747/publication.txtobserved ed4d7741f582bfd006dbc0e5f7aacabb...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. |
|---|