OT-2026-000057976
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000057976) never changes.
Identity and time
| Publication number | OT-2026-000057976 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6ed9-7856-9f64-2db53c267ef9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:52.020108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057976 |
| Status | PUBLIC |
Content hashes
| Canonical text | 25fa7dd20430b6db964c2408164cb108ed7f9f11928b2b0ab4684aee29420bef |
|---|---|
| Markdown | 2068277bd439ddeceda622e70f35a9068efe70717fd470dd956ad2f9635250e2 |
| Publication page | c7add7edb6637da2263836add02619bd7f67693423a7b41dd6aba4b00e2c3340 |
| Manifest | 265bb10d6ddf6f8dfa15c645bb59b3e1fd7fb27ad42c2edf297c15d21c713742 |
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 | cQYbVN/t+ZZdDUhiUSovGxT7GuZ0ghwxHXCkX4bUCfOZi+29+/FBYqli8qiWaCvZb9i3Pyx2Q3ttWKA6CmpHBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:47:36.084191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057976observed c7add7edb6637da2263836add02619bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:47:36.066037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057976/manifest.jsonobserved 265bb10d6ddf6f8dfa15c645bb59b3e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:36.046540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057976/publication.mdobserved 2068277bd439ddeceda622e70f35a906...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:36.025538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057976/publication.txtobserved 25fa7dd20430b6db964c2408164cb108...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. |
|---|