OT-2026-000073830
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000073830) never changes.
Identity and time
| Publication number | OT-2026-000073830 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8d-7c62-914e-1975f1bd28de · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:35.679268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000073830 |
| Status | PUBLIC |
Content hashes
| Canonical text | d67b7fdc90b6f4a142996f4d1413e25c99223867b985d7f5b473711f3756f900 |
|---|---|
| Markdown | 5b784649772cd7b5d70684e05235efa9e46852b3c03a2e39706fbfae872b248b |
| Publication page | 3f4df9d6391700d0bee3fe6ac2e87303391c805137584fa947abc6c2b6447828 |
| Manifest | 786f196ab99a5ec2199cb6f2c53720c501c00120afbdb2b50db2fab3ed54df7d |
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 | LSww5BTE+vA2B3cikIn/br4N2O6qL02xsiAAEwFPaJMwLxYvBPP0G8/2F+ABT2Bo0wmQlzLGtoWgjEZcHPUgBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-20T04:41:47.459513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073830observed 3f4df9d6391700d0bee3fe6ac2e87303...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T04:41:47.392156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073830/manifest.jsonobserved 786f196ab99a5ec2199cb6f2c53720c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:41:47.320618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073830/publication.mdobserved 5b784649772cd7b5d70684e05235efa9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:41:47.149850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073830/publication.txtobserved d67b7fdc90b6f4a142996f4d1413e25c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T20:41:37.925347Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073830observed 3f4df9d6391700d0bee3fe6ac2e87303...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T20:41:37.803243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073830/manifest.jsonobserved 786f196ab99a5ec2199cb6f2c53720c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T20:41:37.675395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073830/publication.mdobserved 5b784649772cd7b5d70684e05235efa9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T20:41:37.528918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073830/publication.txtobserved d67b7fdc90b6f4a142996f4d1413e25c...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 |
|---|