OT-2026-000021271
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000021271) never changes.
Identity and time
| Publication number | OT-2026-000021271 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7062-b43f-34aac62aef73 · 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-2026-000021271 |
| Status | PUBLIC |
Content hashes
| Canonical text | b91d41be3a4bf2b173f43e5d7a4451b13c453f28174bd1cbf8b7e5aee4d15745 |
|---|---|
| Markdown | 2d4456b21ab2994199578fb9547d8488823495711583d4a7c3ce4dd59a9e3895 |
| Publication page | 864678d7e048731eeec57ebc61482b2bba136f12a4b872b6d02c63dea44bdf7f |
| Manifest | a26566e882633c9d78b578adb2583d2ede5afd7aa783a762f9f782c03771579a |
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 | Xz36DQN4S6+ZgEC+2Zpe5H7Iv82fXHgGMeuUm/l8QRiy71TidAWbgyKrJIjQMJSqqZBY87caD0GmEQnffinwCg== |
| 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
| 2026-09-17T11:55:05.952866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021271observed 864678d7e048731eeec57ebc61482b2b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:05.934903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021271/manifest.jsonobserved a26566e882633c9d78b578adb2583d2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:05.918055Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021271/publication.mdobserved 2d4456b21ab2994199578fb9547d8488...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:05.900507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021271/publication.txtobserved b91d41be3a4bf2b173f43e5d7a4451b1...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. |
|---|