OT-2026-000020591
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000020591) never changes.
Identity and time
| Publication number | OT-2026-000020591 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-7579-a824-61cf6c0c8e79 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020591 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef38464f03c10cbfef80dc50c43555f51a1e8204008df73d39883e67d625137c |
|---|---|
| Markdown | f9b14ae91ae9c3a55c2efcbc1d88e20de69f8f311f26a983b1b839be9b91c9e8 |
| Publication page | 0e701edf858d0cf8b4d748ced4d686e072f10f2f1f4011c90f750a249fbdb06a |
| Manifest | c167f59b80b68d153e12321529c4f72de2f8aac64316e2a0150ec0e54d042179 |
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 | PfT21d86LVZeVad33fkrJyaKG0iSQUmlEuKYQC5jqj7SHH4/8kxzJkClGaCWpafxmZ6nXP1lq4mIrWJ/O6VhDA== |
| 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
| 2026-09-17T12:00:43.635778Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020591observed 0e701edf858d0cf8b4d748ced4d686e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:43.617240Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020591/manifest.jsonobserved c167f59b80b68d153e12321529c4f72d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:43.598859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020591/publication.mdobserved f9b14ae91ae9c3a55c2efcbc1d88e20d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:43.580222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020591/publication.txtobserved ef38464f03c10cbfef80dc50c43555f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:37.909164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020591observed 0e701edf858d0cf8b4d748ced4d686e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:37.890762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020591/manifest.jsonobserved c167f59b80b68d153e12321529c4f72d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:37.872673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020591/publication.mdobserved f9b14ae91ae9c3a55c2efcbc1d88e20d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:37.854288Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020591/publication.txtobserved ef38464f03c10cbfef80dc50c43555f5...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. |
|---|