OT-2026-000057257
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000057257) never changes.
Identity and time
| Publication number | OT-2026-000057257 · never reused |
|---|---|
| Internal UUID | 01a0ae87-d5bb-7b20-abdb-f1935041806a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:12.973410Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057257 |
| Status | PUBLIC |
Content hashes
| Canonical text | ce39bb3dd1f155d7fc79b449d0b44cfc45b7db111f39f5cc99b6fc4b1bb09c02 |
|---|---|
| Markdown | 4b169a60d9974b1997bd61d0011472ca6202613517fd957d88e0d01c18bd6547 |
| Publication page | d04649de25267ceef10026d0a22e375f59c91c526daf3184692e8683e4a384fd |
| Manifest | 00a08505cad8dbffafdd9ddf04022898c2c8d679f8eb6dd67522973f077b6630 |
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 | 4RggXANeZmbMCAztOxEvizyq/78R2ujFAezOdBJBrX1ueb07aTr4pS4nFWnUEjcBfPSvQGKk97ld4IBFzS6DBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-11-06T16:41:36.489398Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057257observed d04649de25267ceef10026d0a22e375f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
|---|---|
| 2026-11-06T16:41:36.427388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057257/manifest.jsonobserved 00a08505cad8dbffafdd9ddf04022898...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
| 2026-11-06T16:41:36.347702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057257/publication.mdobserved 4b169a60d9974b1997bd61d0011472ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
| 2026-11-06T16:41:36.257154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057257/publication.txtobserved ce39bb3dd1f155d7fc79b449d0b44cfc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
| 2026-10-26T12:41:24.980235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057257observed d04649de25267ceef10026d0a22e375f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T12:41:24.930921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057257/manifest.jsonobserved 00a08505cad8dbffafdd9ddf04022898...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T12:41:24.876854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057257/publication.mdobserved 4b169a60d9974b1997bd61d0011472ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T12:41:24.815655Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057257/publication.txtobserved ce39bb3dd1f155d7fc79b449d0b44cfc...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 |
|---|