OT-2026-000020554
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000020554) never changes.
Identity and time
| Publication number | OT-2026-000020554 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-7819-b22a-41a1884eabb3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020554 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4f3867ac540bb47da6a83d3f2435b9262c315c43b41d04e0527737fa23a094c6 |
|---|---|
| Markdown | 4ccf57142227afd1aae51a778df27b564cd354744a2f4a6a40b491c9b89dff29 |
| Publication page | cdcf04a29673a8e82e70be474606b6fbe4bcf80930f1cd9c73495a9d785c678e |
| Manifest | 4ececf38b876bab9563854cd0f60a78af84e37554d05ff023ce356b1dcce5877 |
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 | Lt4O6KcI8ZLx8F29mnh0BQ8/Z+sZMFcP3HsmNjDz2J0WLCM29Cr2lJp/Db5x13cf1esoPT/fDU1vU/zfzN0fDg== |
| 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
| 2026-09-17T12:00:32.533509Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020554observed cdcf04a29673a8e82e70be474606b6fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:32.515826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020554/manifest.jsonobserved 4ececf38b876bab9563854cd0f60a78a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:32.495592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020554/publication.mdobserved 4ccf57142227afd1aae51a778df27b56...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:32.476976Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020554/publication.txtobserved 4f3867ac540bb47da6a83d3f2435b926...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:35.121780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020554observed cdcf04a29673a8e82e70be474606b6fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:35.104309Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020554/manifest.jsonobserved 4ececf38b876bab9563854cd0f60a78a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:35.087468Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020554/publication.mdobserved 4ccf57142227afd1aae51a778df27b56...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:35.070734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020554/publication.txtobserved 4f3867ac540bb47da6a83d3f2435b926...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. |
|---|