OT-2026-000022420
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000022420) never changes.
Identity and time
| Publication number | OT-2026-000022420 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4fd-7da4-9048-d5339b5ddbcf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022420 |
| Status | PUBLIC |
Content hashes
| Canonical text | be6e39690bce8c3068cecfe91faeb7d258a12b2a750a614083bd00e8155f342c |
|---|---|
| Markdown | 9febd3e848dc62777e3dd47da6d89dd229fe1107adf362d6b60f6381b53fd7ed |
| Publication page | 6e3523da1b085f3ba0892e81515accb82f12f1480b024d0a48afa9e37cbb2866 |
| Manifest | a7c3934a3129fee5c0621da87e1a5853d71a0094eb1e515765c5354283cad36e |
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 | uPTuso+4406miocb0k/zEJm7ANmWCeuDOBQF2fQlOh7HjNsjjpZOXLAZXb6zVswckWeWpXrTrU787IlWpbckBw== |
| 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
| 2026-09-17T11:53:48.556901Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022420observed 6e3523da1b085f3ba0892e81515accb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:53:48.536523Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022420/manifest.jsonobserved a7c3934a3129fee5c0621da87e1a5853...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:48.519506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022420/publication.mdobserved 9febd3e848dc62777e3dd47da6d89dd2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:48.502830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022420/publication.txtobserved be6e39690bce8c3068cecfe91faeb7d2...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. |
|---|