OT-2026-000026448
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000026448) never changes.
Identity and time
| Publication number | OT-2026-000026448 · never reused |
|---|---|
| Internal UUID | 01a0ae71-f4a8-7616-84c8-50e9512c449e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:18.960773Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026448 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3a014fe024e6bfbb8b8ec35cd8e42464953ad7163dcef0f2efcb1e9b77acb295 |
|---|---|
| Markdown | 8b5573ecd5124e9d9933f4e44d2bb074065e0741c57715980b5d42fc6b9765dc |
| Publication page | 14e1bad36fc1402f4f4ca901a19fc83844215776b0a1432612490698b15fc549 |
| Manifest | a3d5890e98835e876c82eef81aed8661adbbe478b509af2c787c16e537b63973 |
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 | Ch0mzeySk0EBVie0nfYZ91wEh3G1j8zbQKqA9zC3cVZ5PmV/WksvtUeF8J3aida0MPq8dX0S0ubdfADyRM5QDw== |
| 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
| 2026-10-22T12:41:18.820942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026448observed 14e1bad36fc1402f4f4ca901a19fc838...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T12:41:18.742854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026448/manifest.jsonobserved a3d5890e98835e876c82eef81aed8661...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:18.689865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026448/publication.mdobserved 8b5573ecd5124e9d9933f4e44d2bb074...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:18.532408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026448/publication.txtobserved 3a014fe024e6bfbb8b8ec35cd8e42464...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:42:22.973513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026448observed 14e1bad36fc1402f4f4ca901a19fc838...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:42:22.849862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026448/manifest.jsonobserved a3d5890e98835e876c82eef81aed8661...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:42:22.683946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026448/publication.mdobserved 8b5573ecd5124e9d9933f4e44d2bb074...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:42:22.446160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026448/publication.txtobserved 3a014fe024e6bfbb8b8ec35cd8e42464...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|