OT-2026-000003671
Publication integrity record
Porous face vacuum gripper, pump fed, pressure verified at each zone, contact triggered
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-2026-000003671) never changes.
Identity and time
| Publication number | OT-2026-000003671 · never reused |
|---|---|
| Internal UUID | 01a0a90a-b36f-74e9-aa35-3d9f254af9fb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:25.939040Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003671 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2b008cc71323c83e0542f6576863e03398c03893f2d330044795b66249a48bc6 |
|---|---|
| Markdown | 0a60ed8bff1546677cdde65e3c33fc4386b1a05104aea6a080169ac242267e5b |
| Publication page | 7277c7e8c10eceb5a8fdab4c10bd3885a83943193c8ce0a05482a58868f93e46 |
| Manifest | ff2a334e5583b1fae3520c94a49d78bd05cf3d03997947be10abb96a91d8fbdf |
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 | qGZnOvFMpWOBkl2Y0s3NXytl9o4rT1NtvCkccScVj+XR4GxR+PuPpHClalKmQ5y/73A2nYEIc/tee43FUWvPCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-10-22T16:41:42.702170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003671observed 7277c7e8c10eceb5a8fdab4c10bd3885...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T16:41:42.655144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003671/manifest.jsonobserved ff2a334e5583b1fae3520c94a49d78bd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T16:41:42.608921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003671/publication.mdobserved 0a60ed8bff1546677cdde65e3c33fc43...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T16:41:42.487974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003671/publication.txtobserved 2b008cc71323c83e0542f6576863e033...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:39.352417Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003671observed 7277c7e8c10eceb5a8fdab4c10bd3885...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:39.237648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003671/manifest.jsonobserved ff2a334e5583b1fae3520c94a49d78bd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:39.111570Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003671/publication.mdobserved 0a60ed8bff1546677cdde65e3c33fc43...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:39.005715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003671/publication.txtobserved 2b008cc71323c83e0542f6576863e033...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 |
|---|