OT-2026-000007874
Publication integrity record
Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, vented 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-2026-000007874) never changes.
Identity and time
| Publication number | OT-2026-000007874 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-908a-7dc4-adb9-bfccfd54aab9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:14.564317Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007874 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8cca09abb6140c93e37cb258b0ac28818f451dbd95d2cae9ee9d6dc297589d8b |
|---|---|
| Markdown | de880b38a0bce202db86650e31a7683c21f057d522704719251f102d1a991ea8 |
| Publication page | 3adb7c0c3abcaa1d67966f37dedcd56751e314b44b53067759b333d77cbab9d8 |
| Manifest | 825fcd2735cb8fd8693f13ee3e5864af7a884bb7a636f973ea3f02595049cd68 |
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 | eoPWVEX9xTjX9O/LOcZARezsFYprWp1Q4AFQmfVsE7CseGhlQGumMZz+GI5GlF43OnLXCaf+/MnSIuJl4iHMAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-09-17T12:20:19.820837Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007874observed 3adb7c0c3abcaa1d67966f37dedcd567...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:20:19.801983Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007874/manifest.jsonobserved 825fcd2735cb8fd8693f13ee3e5864af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:19.738674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007874/publication.mdobserved de880b38a0bce202db86650e31a7683c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:19.674999Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007874/publication.txtobserved 8cca09abb6140c93e37cb258b0ac2881...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:19:52.652447Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007874observed 3adb7c0c3abcaa1d67966f37dedcd567...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:19:52.633871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007874/manifest.jsonobserved 825fcd2735cb8fd8693f13ee3e5864af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:19:52.615496Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007874/publication.mdobserved de880b38a0bce202db86650e31a7683c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:19:52.569451Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007874/publication.txtobserved 8cca09abb6140c93e37cb258b0ac2881...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. |
|---|