OT-2026-000019803
Publication integrity record
Three cup vacuum gripper, three zone face, 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-2026-000019803) never changes.
Identity and time
| Publication number | OT-2026-000019803 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb5-7a55-b5c6-29afd304b975 · 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-2026-000019803 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9a537b563d0eb2e6f580f658daa750f3d8aa2de723d2cd908339be88de3c217e |
|---|---|
| Markdown | d02bc5101d1945fdeb6cde50eea139fece5fcf0f0146fd8a7846b4082916f091 |
| Publication page | c8b9791c160760f77f42e019a9e26792ccb6f7a689264dbbf45c48bfe41191c2 |
| Manifest | be720f6a8fbfb5a4381de0cbeb1ee0c995134ac0037abd82f0784a248a9af667 |
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 | demO8J1cRZsKv7k5IHhyhYGt8yEqYFIwIFw241R2DJ570rktROWIku8+yNisuMmII45tsodKxt2AE5NTXJbgAQ== |
| 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
| 2026-09-17T11:57:52.006166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019803observed c8b9791c160760f77f42e019a9e26792...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:57:51.989780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019803/manifest.jsonobserved be720f6a8fbfb5a4381de0cbeb1ee0c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:51.972430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019803/publication.mdobserved d02bc5101d1945fdeb6cde50eea139fe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:51.927668Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019803/publication.txtobserved 9a537b563d0eb2e6f580f658daa750f3...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. |
|---|