OT-2026-000021756
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000021756) never changes.
Identity and time
| Publication number | OT-2026-000021756 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7c49-8fc9-eb55795fd08e · 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-2026-000021756 |
| Status | PUBLIC |
Content hashes
| Canonical text | 97f27afb41db5bce610247019bee6fdd07eedf21f86fb66346013873d1370e82 |
|---|---|
| Markdown | c4a355b1102edd707fe0fa468386ea1dc4cdc37ad8e9bb9a92ce0300e80ae43d |
| Publication page | ae1a8502f59e3ba2539099ddff209b1bb2c61bfb7e7f0b86acecbda4d51beb57 |
| Manifest | 709cdeaef4ff467c86ac6b90fc58ec6a344627dcc29e1b013043131811583f26 |
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 | zh0k4GV+QQTBvu5qOCHO5MAvDBhQd9wx1eCjb1xDR/R7oYHucb1UwSfivm84lg4s9bZOrLOaWs4H7KZ8ZlScBQ== |
| 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
| 2026-09-17T11:54:17.927493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021756observed ae1a8502f59e3ba2539099ddff209b1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:17.906124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021756/manifest.jsonobserved 709cdeaef4ff467c86ac6b90fc58ec6a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:17.887844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021756/publication.mdobserved c4a355b1102edd707fe0fa468386ea1d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:17.871226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021756/publication.txtobserved 97f27afb41db5bce610247019bee6fdd...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. |
|---|