OT-2026-000094220
Publication integrity record
Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000094220) never changes.
Identity and time
| Publication number | OT-2026-000094220 · never reused |
|---|---|
| Internal UUID | 01a0ae9e-92cc-7949-92a5-10cefca6c3c5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:07:03.009208Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000094220 |
| Status | PUBLIC |
Content hashes
| Canonical text | 423df87aa4a56c28bbee7d1aba96919e642e84e96f51e0356715f08ce228e761 |
|---|---|
| Markdown | 5717c044f39548087e9c5377351446f906dfeec989df5190be144a6d571bf038 |
| Publication page | 21c15d2ebd4f424ae91a0b740b129fc030bff9ae7e62650080c8266d0c7bb723 |
| Manifest | 5539a6fb050d9a1bad684339254fb556e527c8feb827db30ee8dc521355f771c |
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 | 5n7/dGzXp+h9+LbW0sLotl8mFedE061uvM5jGAlePZEjk6TKQawSVtYuani3ibwih8LWpBcJu2Un7kJoXA+bDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-10-04T16:41:19.253640Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000094220observed 21c15d2ebd4f424ae91a0b740b129fc0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T16:41:19.203525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000094220/manifest.jsonobserved 5539a6fb050d9a1bad684339254fb556...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T16:41:19.155948Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000094220/publication.mdobserved 5717c044f39548087e9c5377351446f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T16:41:19.099264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000094220/publication.txtobserved 423df87aa4a56c28bbee7d1aba96919e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T12:41:34.865322Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000094220observed 21c15d2ebd4f424ae91a0b740b129fc0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T12:41:34.816702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000094220/manifest.jsonobserved 5539a6fb050d9a1bad684339254fb556...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T12:41:34.756599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000094220/publication.mdobserved 5717c044f39548087e9c5377351446f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T12:41:34.703819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000094220/publication.txtobserved 423df87aa4a56c28bbee7d1aba96919e...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 |
|---|