OT-2026-000021263
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000021263) never changes.
Identity and time
| Publication number | OT-2026-000021263 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7fcd-bb8d-62184ac4f4fb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021263 |
| Status | PUBLIC |
Content hashes
| Canonical text | 251092ea1851b9fc8d6b2ef0163cef97ddcb2edf51ba52604dce29542530867d |
|---|---|
| Markdown | 45aec3dfd433b66fdc596d3b3111ac228ebda5289302dd31fcc7cc81f92f2608 |
| Publication page | 7021343a34465c5ed2a0feafbdc0a2bf1ddc98919a2fae5700ba7e56a7ed16da |
| Manifest | bfeff506032193eed867467a24133b9b2486f8d9fae9f0c261efd3e003d23889 |
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 | DuNPJL6fftJwSOdFQppHeJqgTnKARde32GMdr4gikPO4rGCpAtCT4LzKoQRxwMq7VCOfpc+YLz6Plr1zVbNGDw== |
| 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
| 2026-09-17T11:55:03.600868Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021263observed 7021343a34465c5ed2a0feafbdc0a2bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:03.582099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021263/manifest.jsonobserved bfeff506032193eed867467a24133b9b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:03.564843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021263/publication.mdobserved 45aec3dfd433b66fdc596d3b3111ac22...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:03.547748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021263/publication.txtobserved 251092ea1851b9fc8d6b2ef0163cef97...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. |
|---|