OT-2026-000021981
Publication integrity record
Six cup vacuum gripper, six outlet manifold, pump fed, sustained 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-2026-000021981) never changes.
Identity and time
| Publication number | OT-2026-000021981 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5c-791e-bf6a-f2a649d7bad8 · 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-2026-000021981 |
| Status | PUBLIC |
Content hashes
| Canonical text | bb1a89a4f9ae8c682fd323708d4b9922eb6998b928ce93e9e585239468aa6002 |
|---|---|
| Markdown | d6d0b311a1d1930e1fcf3c0f67f080039b15ca2f9300c535acfedb57c56a1712 |
| Publication page | 1a136d232a2039043e1d7915099155f9a995e300cf3cae99b570354930666854 |
| Manifest | 85338bb7f31171e25bf6182b9193d82fbe74eb795ec2f4420f6e17af86483765 |
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 | Tts0LBUkInfaXK4PCCuvlsrfhLR+2pqaFRaxVrKJlzdHpxCXOgWLM/HRGj7Wngd4r3S2PLQTvuT3PYMYeJXsDw== |
| 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
| 2026-09-17T11:54:39.297731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021981observed 1a136d232a2039043e1d7915099155f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:39.280410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021981/manifest.jsonobserved 85338bb7f31171e25bf6182b9193d82f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.251719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021981/publication.mdobserved d6d0b311a1d1930e1fcf3c0f67f08003...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.228184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021981/publication.txtobserved bb1a89a4f9ae8c682fd323708d4b9922...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. |
|---|