OT-2026-000027991
Publication integrity record
Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pulsed 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-2026-000027991) never changes.
Identity and time
| Publication number | OT-2026-000027991 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-7f6d-9875-caab06cbb811 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027991 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1a31c5eccb18bc7e9140704e0f84682ffbbcb47e0e6efb77840de4a71024326a |
|---|---|
| Markdown | 69bb9ecd8e28c4f943cddafd7b6706ad7e7e6bb3e7e0594008cb39269cfefbad |
| Publication page | bbed12b7f013fc128c1c964ed942161bdf5b461d1f10dfd9a9663d74d45b91a6 |
| Manifest | 2898a840ef810ed80c9782bdf8270288b070a3807145f0da3fcaaa5f1a0fda0a |
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 | iUtrYXKuJ2YVzYnNyymgU3KyRDiyXiH6NcLagPgT4ky+NQQivI5r/yslpv6kWRFkeJnO1v/OUavWRASfcCftAw== |
| 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
| 2026-10-20T12:41:58.026835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027991observed bbed12b7f013fc128c1c964ed942161b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T12:41:57.964603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027991/manifest.jsonobserved 2898a840ef810ed80c9782bdf8270288...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:57.913619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027991/publication.mdobserved 69bb9ecd8e28c4f943cddafd7b6706ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:57.748999Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027991/publication.txtobserved 1a31c5eccb18bc7e9140704e0f84682f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:11.885429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027991observed bbed12b7f013fc128c1c964ed942161b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:11.869676Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027991/manifest.jsonobserved 2898a840ef810ed80c9782bdf8270288...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:11.852704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027991/publication.mdobserved 69bb9ecd8e28c4f943cddafd7b6706ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:11.834512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027991/publication.txtobserved 1a31c5eccb18bc7e9140704e0f84682f...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 |
|---|