OT-2026-000041285
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000041285) never changes.
Identity and time
| Publication number | OT-2026-000041285 · never reused |
|---|---|
| Internal UUID | 01a0ae79-b144-7301-bfd7-401588888523 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:26:45.980839Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041285 |
| Status | PUBLIC |
Content hashes
| Canonical text | 299df0a6cc664511d2f179289063054ee595580feeef0df9b88e9b80d28c5572 |
|---|---|
| Markdown | 4b588ff30aa71ac3609c12f2f612517c4da87173742410c31bc549d4c7478051 |
| Publication page | 1f310327a2c43118eabb5ca994f096349c580156cc33e8396b52ac9881963555 |
| Manifest | 26711395bbddd5ccdff069a65043ee1e33676e4161405a456251d430b73a0d1e |
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 | 2BCbmtvwaFw3ABv0FEs9OG7rPnB1PeqaSlZUACFBLiHUoDQf4WjlGfoKEK0GN1d0JSUrcZst6ZxqAoAK4JKvCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-05T12:41:25.975941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041285observed 1f310327a2c43118eabb5ca994f09634...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-05T12:41:25.925596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041285/manifest.jsonobserved 26711395bbddd5ccdff069a65043ee1e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:25.868632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041285/publication.mdobserved 4b588ff30aa71ac3609c12f2f612517c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:25.809978Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041285/publication.txtobserved 299df0a6cc664511d2f179289063054e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T04:41:27.965192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041285observed 1f310327a2c43118eabb5ca994f09634...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T04:41:27.916323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041285/manifest.jsonobserved 26711395bbddd5ccdff069a65043ee1e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T04:41:27.865304Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041285/publication.mdobserved 4b588ff30aa71ac3609c12f2f612517c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T04:41:27.805998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041285/publication.txtobserved 299df0a6cc664511d2f179289063054e...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 |
|---|