OT-2026-000041993
Publication integrity record
Three cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000041993) never changes.
Identity and time
| Publication number | OT-2026-000041993 · never reused |
|---|---|
| Internal UUID | 01a0ae79-e8a7-7a81-a36b-b6ce5f62fab3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:00.220789Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041993 |
| Status | PUBLIC |
Content hashes
| Canonical text | f71f62e3f099978e79751f477e315ae997b28ada2bc2bc924abf28c804760d9e |
|---|---|
| Markdown | f688f6bac1af397b223699de9929a7b06e337fb19284a5bf32c43304b0cb70b6 |
| Publication page | e215aa5fedf37205441fe560915fed615a81c233c88ea0727f233fdc4da6a793 |
| Manifest | 1fb79fc558b0838a0794aa70718d4f659e06b40d75c2e229450f611c10da9996 |
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 | PbmS4Iu+OACxgJM1L9X/VD0iigzOhi0vvQqrw9RZqYsuU+o1lFJY4R+RaJbIEi+HbzmEJ4PUfARUdQSKGhfoDg== |
| 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
| 2026-09-17T11:16:53.391225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041993observed e215aa5fedf37205441fe560915fed61...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:16:53.374222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041993/manifest.jsonobserved 1fb79fc558b0838a0794aa70718d4f65...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:53.356574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041993/publication.mdobserved f688f6bac1af397b223699de9929a7b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:53.340502Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041993/publication.txtobserved f71f62e3f099978e79751f477e315ae9...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
| Custody package | Pending Custody packages are produced weekly. |
|---|