OT-2026-000020801
Publication integrity record
Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000020801) never changes.
Identity and time
| Publication number | OT-2026-000020801 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-7813-bb11-4f16f5be2d09 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020801 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1b0b5cbfa2dc5c1e7d70607ae9eb401dd41ca3b72b6a0357ac756458d34753cf |
|---|---|
| Markdown | 52b41f7ffe2611fd608b96333224ac5a3a7a29ee6dea8a438b50093db8be79f1 |
| Publication page | 1faa5abc5b0738694ad7d3c7a425064ad9aabea9dbcc32d5656e15e6ff0e1a5d |
| Manifest | fb4f7369958aa630589f2585d048c108303d3094fc9325c5e9d29fcda134f780 |
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 | eFMd88dypBXom/i4b8pyxLWuJrdcM4cfbRHKVfseZYjXQF5QP9DHTCcjX2aX9IkQd82mhekcyNkq3XJV4vknDg== |
| 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
| 2026-09-17T11:55:53.161668Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020801observed 1faa5abc5b0738694ad7d3c7a425064a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:53.145031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020801/manifest.jsonobserved fb4f7369958aa630589f2585d048c108...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:53.127539Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020801/publication.mdobserved 52b41f7ffe2611fd608b96333224ac5a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:53.108206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020801/publication.txtobserved 1b0b5cbfa2dc5c1e7d70607ae9eb401d...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. |
|---|