OT-2026-000006973
Publication integrity record
Porous face vacuum gripper, per zone isolation, pump fed, pressure verified, vented after set down
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-2026-000006973) never changes.
Identity and time
| Publication number | OT-2026-000006973 · never reused |
|---|---|
| Internal UUID | 01a0a96e-2b45-776a-9026-1bd911994e6b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:56:04.679923Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006973 |
| Status | PUBLIC |
Content hashes
| Canonical text | 85b4906aa46082558fbc4dcf2e0b62412ba89e1a534bc12968c5431e136c02fa |
|---|---|
| Markdown | f36003873adcf9f31d068b25cfd6e05060cb517a1a78ae75dc5507f5475bbbf5 |
| Publication page | 3e408a41958d7a6218efd1db453f47b6a0c6c3399831a3c8d501f4884b6f659c |
| Manifest | e50fc6734903b6d3c55a9e030083b6ea2dbcffcc325bef80772d28caeac45b57 |
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 | yjZECmpg4GhNaByzBfO/IVfAHUcw8qe2jnz0GUq10hzGV4xzgiuJnNJwXPY0ybQJJslTUIbEZhQJUrCxQzD0AQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-09-16T09:00:16.170260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006973observed 3e408a41958d7a6218efd1db453f47b6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:16.157772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006973/manifest.jsonobserved e50fc6734903b6d3c55a9e030083b6ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:16.143374Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006973/publication.mdobserved f36003873adcf9f31d068b25cfd6e050...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:16.130073Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006973/publication.txtobserved 85b4906aa46082558fbc4dcf2e0b6241...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. |
|---|