OT-2026-000100308
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000100308) never changes.
Identity and time
| Publication number | OT-2026-000100308 · never reused |
|---|---|
| Internal UUID | 01a0aea3-3053-719b-a035-c4e9e4c8e740 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:12:05.469356Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000100308 |
| Status | PUBLIC |
Content hashes
| Canonical text | 989129efd0067c16c7f22e02c3457a64e576015a40991687886524b83ff78e2a |
|---|---|
| Markdown | 937dbe8ad8b54d42251856d1cffa381127c5fcf163dba3ebc386700bb63f1b82 |
| Publication page | 7cc0cb20ed574da7c1e0895eec28cbbbb686f5187d2310263c222282491281a2 |
| Manifest | 1d57c8b44caac365b05d3df2162e5cb33bb883b95c184c870b27e22a350391b5 |
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 | RcSPUI/PXMRXNEN7FuTInGv/VK3/p+JcmbPd8L/O4FgiE0k/UCgs4/zctD1RNPDFUWOlFti5h91hcfBfQ43BAw== |
| 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
| 2026-10-27T20:41:29.542738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100308observed 7cc0cb20ed574da7c1e0895eec28cbbb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T20:41:29.463879Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100308/manifest.jsonobserved 1d57c8b44caac365b05d3df2162e5cb3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T20:41:29.383578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100308/publication.mdobserved 937dbe8ad8b54d42251856d1cffa3811...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T20:41:29.300898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100308/publication.txtobserved 989129efd0067c16c7f22e02c3457a64...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:23:49.995676Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100308observed 7cc0cb20ed574da7c1e0895eec28cbbb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:23:49.978618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100308/manifest.jsonobserved 1d57c8b44caac365b05d3df2162e5cb3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:23:49.962933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100308/publication.mdobserved 937dbe8ad8b54d42251856d1cffa3811...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:23:49.941452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100308/publication.txtobserved 989129efd0067c16c7f22e02c3457a64...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
| 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 |
|---|