OT-2026-000019900
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000019900) never changes.
Identity and time
| Publication number | OT-2026-000019900 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb6-7260-b2d3-2d1da9a149ef · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019900 |
| Status | PUBLIC |
Content hashes
| Canonical text | fa4d629300e5748d092fafd3ea8d6c457811f6458e15c295b0455b674f27e130 |
|---|---|
| Markdown | d31cb2db2efc51c1fcc694c70582552d2f8dd1e6c68d9ff548fc67c07bf33743 |
| Publication page | 1b6ec46da4f857f7bd6637b1aec04a3c2ea72434c4706abdcf277f12377ce721 |
| Manifest | c44f10af943ee74e46a328a8d10f9210cdfff61b2994b7dbe57e22a19c56f5ce |
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 | U1bvrbbqC81+4IzZD/nubnXHAMxBv+3zooOTpV7Q46H6dpR0c8kYcpTxqM0tBUH7N+Vtk+5HIbkNjrcgEI3EBg== |
| 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
| 2026-09-17T11:58:06.616378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019900observed 1b6ec46da4f857f7bd6637b1aec04a3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:06.598220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019900/manifest.jsonobserved c44f10af943ee74e46a328a8d10f9210...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:06.579329Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019900/publication.mdobserved d31cb2db2efc51c1fcc694c70582552d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:06.562161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019900/publication.txtobserved fa4d629300e5748d092fafd3ea8d6c45...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. |
|---|