OT-2026-000006454
Publication integrity record
Porous face vacuum gripper, four outlet manifold, two stage ejector, contact triggered on the face
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-2026-000006454) never changes.
Identity and time
| Publication number | OT-2026-000006454 · never reused |
|---|---|
| Internal UUID | 01a0a95b-cd43-74f2-b4b6-401e0cfccb37 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:36:00.965872Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006454 |
| Status | PUBLIC |
Content hashes
| Canonical text | c54f956116a60038f0767ad872a8f56ad40775a6472fb253710154649417a464 |
|---|---|
| Markdown | 92c1a6b95333a6e60e14a26e9a091d2ed5dec7118f19739ccd85d15f600b8264 |
| Publication page | 9e5465821418cc2f149099879efa7c2dd6f24ae28ff44e54d9d81474f531c523 |
| Manifest | 012210e36b3a6385ddbdb33e8cefb846396b7cba11e0195843010d86e8fa2e79 |
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 | tDSS8Ec5KXQrFOdCryFghrVrKYEmqoqw//zDN5Mf+4KVzICU0tdq9WXqn3OHo9Tkci2iGe38KnecCoLjm64mBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-10-27T20:41:03.599833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006454observed 9e5465821418cc2f149099879efa7c2d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T20:41:03.549770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006454/manifest.jsonobserved 012210e36b3a6385ddbdb33e8cefb846...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T20:41:03.498395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006454/publication.mdobserved 92c1a6b95333a6e60e14a26e9a091d2e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T20:41:03.129713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006454/publication.txtobserved c54f956116a60038f0767ad872a8f56a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T08:41:15.883107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006454observed 9e5465821418cc2f149099879efa7c2d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T08:41:15.819207Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006454/manifest.jsonobserved 012210e36b3a6385ddbdb33e8cefb846...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T08:41:15.748767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006454/publication.mdobserved 92c1a6b95333a6e60e14a26e9a091d2e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T08:41:15.548491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006454/publication.txtobserved c54f956116a60038f0767ad872a8f56a...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 |
|---|