OT-2026-000019724
Publication integrity record
Three bellows cup vacuum gripper, three 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-2026-000019724) never changes.
Identity and time
| Publication number | OT-2026-000019724 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb4-7263-a33b-c9774696db36 · 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-2026-000019724 |
| Status | PUBLIC |
Content hashes
| Canonical text | 74ef653c5c7ad0cc39a145342a66a69ebdb98e25567523abd9e79ad0bfe5a22d |
|---|---|
| Markdown | b1c158d7d1797fc9c9c1a6931ac51ad12839555a04709cbb912a49cab77023dc |
| Publication page | 99a87dd3b6fa42fe9076a9e6fe71889c430936fcb5451ce9b44d9c43ea807527 |
| Manifest | 3c1c7347c57dab87fc958af392b50daa262b271869c0d1ef2dcee30019d3988e |
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 | mAC0bbpiDt8tVRMVXlvDrjcT6SGK70eFVfR87jnjT1BewoAsR5js/XEJF0i4ueRIjIpaiLvLN40I/Y7JXRbKCw== |
| 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
| 2026-09-17T11:57:48.740769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019724observed 99a87dd3b6fa42fe9076a9e6fe71889c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:57:48.721305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019724/manifest.jsonobserved 3c1c7347c57dab87fc958af392b50daa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:48.702509Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019724/publication.mdobserved b1c158d7d1797fc9c9c1a6931ac51ad1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:48.682963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019724/publication.txtobserved 74ef653c5c7ad0cc39a145342a66a69e...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. |
|---|