OT-2026-000021155
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, pump 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-2026-000021155) never changes.
Identity and time
| Publication number | OT-2026-000021155 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-7a06-810e-540f74dd0b0a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021155 |
| Status | PUBLIC |
Content hashes
| Canonical text | c3c2d28af8546c567d7306dcd885a3bbd43dc31875b51fe717229dae4ceeb21e |
|---|---|
| Markdown | 528e454c9479ebf1dbc50411addcc5bad9f8e138c5f9c4a4765a8ee5975dfec5 |
| Publication page | b87d720a872f51bc3489a57bfe5c60cb12a2b7c7c1702f109c47b74812feedbd |
| Manifest | ba4b3438405274e173530b63b0dcae7cf5a681b73843d337a6fc88f523f07031 |
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 | YSnN5b7tHhuGElVXtPiQMopsxczkYK8seLhhuALTcDh1ga4Ml+4F3U0PAIdlKya3RsVwHQznkDzbS7mTSqZdAw== |
| 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
| 2026-09-17T11:54:54.935414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021155observed b87d720a872f51bc3489a57bfe5c60cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:54.919081Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021155/manifest.jsonobserved ba4b3438405274e173530b63b0dcae7c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:54.901396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021155/publication.mdobserved 528e454c9479ebf1dbc50411addcc5ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:54.884311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021155/publication.txtobserved c3c2d28af8546c567d7306dcd885a3bb...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. |
|---|