OT-2026-000004275
Publication integrity record
Vacuum cup gripper, three zone face, per zone isolation, ejector fed
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-2026-000004275) never changes.
Identity and time
| Publication number | OT-2026-000004275 · never reused |
|---|---|
| Internal UUID | 01a0a913-00d0-71d8-b1ee-7902fb28935d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:30.034948Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004275 |
| Status | PUBLIC |
Content hashes
| Canonical text | faadd136a527f67bd58b7c8a3fe586ac95197f29bc320ff5a1ac7c3af8d3517d |
|---|---|
| Markdown | 4c7073a24d2ab8b81c428282a77a7cba038616d04e2bd27759fb7206e0be2e54 |
| Publication page | a1cfe812768d59d6482a434e31d0ff751d921bbee47b99c5c9f002cd18d6e144 |
| Manifest | f4e0f42c3cee325fb49d34f323080bc4479cf3ec7be7ba7de03c4cf5af5d3653 |
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 | Ana9ogfDfLwSqz4DK61au7OnuZQozjyzvUTP1zx7bF7ApRbNsXWtXemExOF94t0lFPkRoaBGcOiJFtVNLNy8CA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-10-23T08:41:04.353861Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004275observed a1cfe812768d59d6482a434e31d0ff75...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T08:41:04.259019Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004275/manifest.jsonobserved f4e0f42c3cee325fb49d34f323080bc4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:04.077091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004275/publication.mdobserved 4c7073a24d2ab8b81c428282a77a7cba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:03.912398Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004275/publication.txtobserved faadd136a527f67bd58b7c8a3fe586ac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:21.856416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004275observed a1cfe812768d59d6482a434e31d0ff75...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:21.787553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004275/manifest.jsonobserved f4e0f42c3cee325fb49d34f323080bc4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:21.717628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004275/publication.mdobserved 4c7073a24d2ab8b81c428282a77a7cba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:21.606237Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004275/publication.txtobserved faadd136a527f67bd58b7c8a3fe586ac...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 |
|---|