OT-2026-000021995
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000021995) never changes.
Identity and time
| Publication number | OT-2026-000021995 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5c-7fa7-ac53-95b89ee13599 · 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-2026-000021995 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0a2acefb5f4179fa37a504d6dba9c3b1f5e8d4ace84241017ce48eaef024d7bd |
|---|---|
| Markdown | 811306ab32827813e62ac8ed2cfd4834b6cb3774d9e04523b79a9bc4d9d6ac01 |
| Publication page | 4dcd41013e8fdddac5b200aaa19b101fe0cc52d7e223e3410abe5b83e6e392d9 |
| Manifest | ec785118f491f4051bcfb98eca427f2725e7a1823c422608fb0e1f8215ea6e9c |
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 | 97BI+1zyj3duV6rtJDQVdmBYZ8BAmfapoWxV7ciyQJFYMXkf/Zmq+XQubEAuzVw+M1Qeoc7hJ+RhJxTceIj+BQ== |
| 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
| 2026-09-17T11:54:40.363214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021995observed 4dcd41013e8fdddac5b200aaa19b101f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:40.344711Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021995/manifest.jsonobserved ec785118f491f4051bcfb98eca427f27...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:40.325615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021995/publication.mdobserved 811306ab32827813e62ac8ed2cfd4834...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:40.308198Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021995/publication.txtobserved 0a2acefb5f4179fa37a504d6dba9c3b1...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. |
|---|