OT-2026-000007213
Publication integrity record
Porous face vacuum gripper, four zone face, per zone isolation, three stage ejector, closed cell
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-2026-000007213) never changes.
Identity and time
| Publication number | OT-2026-000007213 · never reused |
|---|---|
| Internal UUID | 01a0a976-c3a8-7c35-90d1-80aa1ed09a36 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:05:27.979139Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007213 |
| Status | PUBLIC |
Content hashes
| Canonical text | 33950861ab311e82728f0bbd67cb4a2e2a6f45fe564744add80388dd59a709a6 |
|---|---|
| Markdown | 7eb9c0b6e9706e0894ed55fb687a5c4e2890df05d8dfa5ed879e1845f75d3c8e |
| Publication page | 286c22b25830c600e6fe68208e010f5725d703f75e100064e93b33ce422fa58e |
| Manifest | 1b148559d6c4c37115e16f119185105e2b09c1dd6fc275efa844cec7f3bce84a |
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 | krggprwrZ4FLNb6d+597oVbSgVbe9+JuRqmylEz37cqp3v0KTF0wt0bNIdPdRLXTx0y40Jg3k3IkHIocDQdXBA== |
| 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
| 2026-10-12T04:23:30.639319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007213observed 286c22b25830c600e6fe68208e010f57...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T04:23:30.626113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007213/manifest.jsonobserved 1b148559d6c4c37115e16f119185105e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:23:30.613860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007213/publication.mdobserved 7eb9c0b6e9706e0894ed55fb687a5c4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:23:30.573885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007213/publication.txtobserved 33950861ab311e82728f0bbd67cb4a2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-10T00:42:18.462107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007213observed 286c22b25830c600e6fe68208e010f57...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T00:42:18.391319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007213/manifest.jsonobserved 1b148559d6c4c37115e16f119185105e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T00:42:18.304616Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007213/publication.mdobserved 7eb9c0b6e9706e0894ed55fb687a5c4e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T00:42:18.072776Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007213/publication.txtobserved 33950861ab311e82728f0bbd67cb4a2e...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 |
|---|