OT-2026-000021892
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000021892) never changes.
Identity and time
| Publication number | OT-2026-000021892 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7f64-bc20-6d3d45c50abf · 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-2026-000021892 |
| Status | PUBLIC |
Content hashes
| Canonical text | cd3d8031f646f4757fa0448623772d554b8a2ccd4f27772c6b8e93e849d2c6e5 |
|---|---|
| Markdown | 9db8e389dd9b12230da890361dc1e3e916321cbf35b42cbce0da36da0801d47d |
| Publication page | 311c2866998c8dfc03432bf33b32b2c36ab189390023609761ab7a560792ce8c |
| Manifest | 8109f3eb3866d441e1334bed7d226bf5ce69eb06820499088d6cf6bbc61deb4b |
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 | cSGgLvfg9W560QMCzl1xjMvyQR2qZSAVucit9sT8jvS6vWUqOMZsxVuEwjBUKL2DoL7Q8cTlHEjIjK/WPCvfBw== |
| 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
| 2026-09-17T11:54:27.572599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021892observed 311c2866998c8dfc03432bf33b32b2c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:27.556207Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021892/manifest.jsonobserved 8109f3eb3866d441e1334bed7d226bf5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:27.538396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021892/publication.mdobserved 9db8e389dd9b12230da890361dc1e3e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:27.523216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021892/publication.txtobserved cd3d8031f646f4757fa0448623772d55...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. |
|---|