OT-2026-000021843
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, 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-2026-000021843) never changes.
Identity and time
| Publication number | OT-2026-000021843 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7198-930c-58a5a1b87e0b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021843 |
| Status | PUBLIC |
Content hashes
| Canonical text | e72920c891d5a01ef0d80ff4d61fcc4af46a6aa17bc0590bdbeb3de8e36a092c |
|---|---|
| Markdown | 7fa89eb7d689f20114618cf259d1a4e1f454f39e63c8dee56884806ebe749240 |
| Publication page | c41407fe3f98bdd184fb3866edfa4fb0bf60541eb82a5b453d1d918246f2b34f |
| Manifest | 379c4601be59bc8f447977b1d9f94ccecd0975063ba61e80e3626ff63f05d457 |
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 | gvdlIsOE9vFynKIEHi7PKMzIsbMDG2etRKlsWkiPB4Osp9RBzs/P/PKHfi7SwmxDqeWXTDoNb7FbQkShuGKiCQ== |
| 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
| 2026-09-17T11:54:24.148018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021843observed c41407fe3f98bdd184fb3866edfa4fb0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:24.129433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021843/manifest.jsonobserved 379c4601be59bc8f447977b1d9f94cce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:24.110798Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021843/publication.mdobserved 7fa89eb7d689f20114618cf259d1a4e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:24.093339Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021843/publication.txtobserved e72920c891d5a01ef0d80ff4d61fcc4a...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. |
|---|