OT-2026-000021919
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000021919) never changes.
Identity and time
| Publication number | OT-2026-000021919 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-77ea-8fd2-0d04776b17ba · 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-2026-000021919 |
| Status | PUBLIC |
Content hashes
| Canonical text | c4b112f9e41bd93a0bdb22c088a005b9c568329779f1ac8ff77cd4ab739712d0 |
|---|---|
| Markdown | 811e6364202719565891509b34f23856af7a6fcf0a4ef5965d256d23ef4b580e |
| Publication page | b822b1469c8db3d6072e8c11661a899974a68c0fe97ce6ae4a2c3f9ca8c2d093 |
| Manifest | 13e9f31e223f20f2bd4a416d0e0c54cb13390d2fe1f5d658f568d32bdd587ae9 |
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 | cvUGA5JtTCNcyFVGz9ZhruOFxWqKis6jnBl1CWps4/riOK/r/M4kOYaanLRN5kqIL5oJ01dAGH+Hkh098SccCQ== |
| 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
| 2026-09-17T11:54:29.623929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021919observed b822b1469c8db3d6072e8c11661a8999...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:29.602040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021919/manifest.jsonobserved 13e9f31e223f20f2bd4a416d0e0c54cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:29.579486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021919/publication.mdobserved 811e6364202719565891509b34f23856...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:29.559114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021919/publication.txtobserved c4b112f9e41bd93a0bdb22c088a005b9...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. |
|---|