OT-2026-000021891
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, three 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-2026-000021891) never changes.
Identity and time
| Publication number | OT-2026-000021891 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-78fb-81bb-cac73f6a01f5 · 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-2026-000021891 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6b76a06ef0a06cf89f29d4709bcb765656144f4af001054bc522cea8fcc2fbba |
|---|---|
| Markdown | 847586b633614326ed43a2780829c022b8bb80fd847e7eb1b53686837eb1faef |
| Publication page | da0d81ef4a786712e22598ed5163432305c6da65e10c0dfb6fc19e16cf5bc2d2 |
| Manifest | 811d0eac70c4cad4d1b0b82e49026004abd73533b158bb6d3ff714687a677c3f |
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 | i4JTBGXmVAojJOowjmuBsFUC4o7RdY+kYEYML+nmAConmRUdYCR0Or0nEHhZMhtb//ej8AlCz1Gdn2sCqeiCDg== |
| 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
| 2026-09-17T11:54:27.502106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021891observed da0d81ef4a786712e22598ed51634323...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:27.484237Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021891/manifest.jsonobserved 811d0eac70c4cad4d1b0b82e49026004...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:27.464311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021891/publication.mdobserved 847586b633614326ed43a2780829c022...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:27.447110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021891/publication.txtobserved 6b76a06ef0a06cf89f29d4709bcb7656...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. |
|---|