OT-2026-000019451
Publication integrity record
Foam pad vacuum gripper, two zone face, pump 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-2026-000019451) never changes.
Identity and time
| Publication number | OT-2026-000019451 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-75d8-902c-b425cbdb0f8a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019451 |
| Status | PUBLIC |
Content hashes
| Canonical text | 72a371fc1f2a658aa5d9cb46846bfb4cc6dbcdfefa59f698bec8087fe45082dd |
|---|---|
| Markdown | 1b2eb9fb589b300efd325ac38a5a710995b17d315776d5b5a6eb833500014156 |
| Publication page | 648c8525a9cc76b8a7406ac9ca8e34d66b86aac3793c8634a9ec1448fc1f1523 |
| Manifest | 25011de6bb0b8257daba9d9c258a61bf72c20b7fc3d616223f100a662f0d44f9 |
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 | je3K27DHKnDA/u2vc5ftPbaY8O/JPb9VEZ6/a6RVPaKusBz8JqtjyAConAhlxmP8vqEkh8pG39MkbRUAUpDiDQ== |
| 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
| 2026-09-17T11:58:51.147282Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019451observed 648c8525a9cc76b8a7406ac9ca8e34d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:51.129814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019451/manifest.jsonobserved 25011de6bb0b8257daba9d9c258a61bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:51.110972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019451/publication.mdobserved 1b2eb9fb589b300efd325ac38a5a7109...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:51.091070Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019451/publication.txtobserved 72a371fc1f2a658aa5d9cb46846bfb4c...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. |
|---|