OT-2026-000029997
Publication integrity record
Three cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000029997) never changes.
Identity and time
| Publication number | OT-2026-000029997 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac49-7fbe-b919-8d95d3e9db72 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029997 |
| Status | PUBLIC |
Content hashes
| Canonical text | a07ed66e7fbb33e9b1a5b29f942535c28bc07311ad2d285b3612c08e12c4d9d4 |
|---|---|
| Markdown | 1dbcbdcc024377f7c02df8c793b790257c371af6ca4ce9e96320608eb219e8d1 |
| Publication page | 3ec80cb388cc713f8f91c2d92d05e48b26a5ecd5a79a5397afab7e6a454a5b39 |
| Manifest | b287f720bc25de3669c9602a2650aa4e4ea9711b93dbe2b349e3834faba8560f |
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 | CTW+Btk+VX/iy849cFn6Q6yk4bLUh9V3ea7oSCK/TuFWRQg/xbwAyTMHgQZqPCd0FZ8TYbTI0wTRVjUPC7GCAQ== |
| 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
| 2026-10-09T08:41:57.994726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029997observed 3ec80cb388cc713f8f91c2d92d05e48b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T08:41:57.882995Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029997/manifest.jsonobserved b287f720bc25de3669c9602a2650aa4e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T08:41:57.667753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029997/publication.mdobserved 1dbcbdcc024377f7c02df8c793b79025...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T08:41:57.564825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029997/publication.txtobserved a07ed66e7fbb33e9b1a5b29f942535c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T04:23:47.163677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029997observed 3ec80cb388cc713f8f91c2d92d05e48b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-22T04:23:47.145406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029997/manifest.jsonobserved b287f720bc25de3669c9602a2650aa4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-22T04:23:47.126952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029997/publication.mdobserved 1dbcbdcc024377f7c02df8c793b79025...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-22T04:23:47.105347Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029997/publication.txtobserved a07ed66e7fbb33e9b1a5b29f942535c2...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 |
|---|