OT-2026-000089500
Publication integrity record
Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000089500) never changes.
Identity and time
| Publication number | OT-2026-000089500 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-db02-72bf-8cb8-f8399cef4a05 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:04.880043Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000089500 |
| Status | PUBLIC |
Content hashes
| Canonical text | c54448a58b32d4d75e4854b8692e6c2649862711d5be21e809609702b212ddbb |
|---|---|
| Markdown | 4e2b4a30360ec1aabc6e241627510cf98f759301733cdfa9f7cd88d94b4003d2 |
| Publication page | bc50fcb13a112518048a296fe4a195ac8ca82964a7bdb307fe46c529265be816 |
| Manifest | eaf4108547b5d5dfc19441d00937183db5f850b3885c010d71f5c1d50e52d156 |
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 | KlUUFUcT3RsQnLkvjzoo6ssiGFqGiMhzeQdZLaVF8yOzTrTHWcCynzrtdKrDdhgfDVTp+gvoPI87c6jLdwmBDQ== |
| 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
| 2026-10-11T20:42:20.064948Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089500observed bc50fcb13a112518048a296fe4a195ac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T20:42:19.988701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089500/manifest.jsonobserved eaf4108547b5d5dfc19441d00937183d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:42:19.912322Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089500/publication.mdobserved 4e2b4a30360ec1aabc6e241627510cf9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:42:19.825170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089500/publication.txtobserved c54448a58b32d4d75e4854b8692e6c26...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:23:12.173578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089500observed bc50fcb13a112518048a296fe4a195ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:23:12.159854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089500/manifest.jsonobserved eaf4108547b5d5dfc19441d00937183d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:23:12.143631Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089500/publication.mdobserved 4e2b4a30360ec1aabc6e241627510cf9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:23:12.126964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089500/publication.txtobserved c54448a58b32d4d75e4854b8692e6c26...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 |
|---|