OT-2026-000032467
Publication integrity record
Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed blow-off before set-down
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-2026-000032467) never changes.
Identity and time
| Publication number | OT-2026-000032467 · never reused |
|---|---|
| Internal UUID | 01a0ae75-106f-717b-ba64-acd660c9b252 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:42.658092Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000032467 |
| Status | PUBLIC |
Content hashes
| Canonical text | b909a728bb245a19f307385cb329c6670120ff484418c21e14785afd6fe829d6 |
|---|---|
| Markdown | b88a5112d2011143bd7c0490d3eef5f3e1230e0075a6182c24e154e562e06f2a |
| Publication page | 797bc43baafd97733a27b187d15e09f7d428190d3f9f3f645832c1dbc7a04620 |
| Manifest | 0b9eaed6bb01172fce8833c99c6b3d95b535a3a673af67214d693a147243dd69 |
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 | g+yMZxyw1DSyxKFZ7rKIGoxz+OxCYxxMtIH34gn4cIjhk2mXNY6/WxPA+vJ1amxCr6375dDeD4Wqrh1QCpAXDA== |
| 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
| 2026-10-22T00:41:15.592520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032467observed 797bc43baafd97733a27b187d15e09f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T00:41:15.528562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032467/manifest.jsonobserved 0b9eaed6bb01172fce8833c99c6b3d95...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T00:41:15.434798Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032467/publication.mdobserved b88a5112d2011143bd7c0490d3eef5f3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T00:41:15.262837Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032467/publication.txtobserved b909a728bb245a19f307385cb329c667...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T20:42:08.959967Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032467observed 797bc43baafd97733a27b187d15e09f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T20:42:08.893765Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032467/manifest.jsonobserved 0b9eaed6bb01172fce8833c99c6b3d95...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T20:42:08.784888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032467/publication.mdobserved b88a5112d2011143bd7c0490d3eef5f3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T20:42:08.692179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032467/publication.txtobserved b909a728bb245a19f307385cb329c667...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 |
|---|