OT-2026-000042925
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump 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-2026-000042925) never changes.
Identity and time
| Publication number | OT-2026-000042925 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7ed0-bf20-6dd5997d25f0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042925 |
| Status | PUBLIC |
Content hashes
| Canonical text | fe7ac2f36618272674d8c0dc2f0bf9d369a22164719585bafa5851245f3ff92a |
|---|---|
| Markdown | 439f2b8f8d89785fbf66a9dce0593ad92a9677262accbfd39b4c83f880003744 |
| Publication page | 429bda67f0bf23add5a5b814c7ec98e0dc2c1265c79e61488267a48038df605f |
| Manifest | fd5d48a20b57f7bc8e162355082bbf3eda54d904c9c09544e0581b9ea2c04dc9 |
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 | 27Ln2A1R5RDNO5M4lL56ALgFORH2+8E7DbD0BzqDEnJxG62jlAWuR4832SSRuIbBfD/QSAF+w0GCEYoEqeTYAA== |
| 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
| 2026-09-17T11:15:27.084224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042925observed 429bda67f0bf23add5a5b814c7ec98e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:27.063549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042925/manifest.jsonobserved fd5d48a20b57f7bc8e162355082bbf3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:27.044341Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042925/publication.mdobserved 439f2b8f8d89785fbf66a9dce0593ad9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:27.025628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042925/publication.txtobserved fe7ac2f36618272674d8c0dc2f0bf9d3...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. |
|---|