OT-2026-000018941
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000018941) never changes.
Identity and time
| Publication number | OT-2026-000018941 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d522-7a35-88a1-bbc2db680c17 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018941 |
| Status | PUBLIC |
Content hashes
| Canonical text | b94c1c66902561d2211de8c408a73b84acb573f84a3fe13fe670b35f3109d30e |
|---|---|
| Markdown | 1ad852e4b062ece6d9a8582452b4b81605cac5429a38258988149afb02ac9f69 |
| Publication page | 87dd17dd2dbff26fbc6991c4ca6335b47d6983b26437b38abc7986c0dced637a |
| Manifest | abf1c11464b221a2ebd0c54cc6f472e62115c951cb118c3b6caee3f4bded9399 |
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 | F+C0s8etMMFj8xX0jBRieY+KvGVkwytO8xiA0CUOusZmsrZboVAP3W/7u5gLowsbG9rdxF4JWNl30sknFzAtDg== |
| 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
| 2026-09-17T11:59:36.450494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018941observed 87dd17dd2dbff26fbc6991c4ca6335b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:36.431330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018941/manifest.jsonobserved abf1c11464b221a2ebd0c54cc6f472e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:36.413886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018941/publication.mdobserved 1ad852e4b062ece6d9a8582452b4b816...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:36.395880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018941/publication.txtobserved b94c1c66902561d2211de8c408a73b84...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. |
|---|