OT-2026-000021201
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000021201) never changes.
Identity and time
| Publication number | OT-2026-000021201 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-73b7-b62f-5f388808c603 · 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-2026-000021201 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2d675593807572e22ea5cd7945ee0f3261d1db21dee8cf51c4075baa9bb46053 |
|---|---|
| Markdown | 5609c101b0d6a7592dcb4e5abb55d8d06b1b5058c5218415008753c21105952f |
| Publication page | dd60b9f73eee52b103924dbdc91e3830bc34b6abbabf0e0b7a3a43178cf9c2ae |
| Manifest | 7705b7c6d81cd06f26aafa97a48e9bb0b09e320d31a404ef7ca03a84bad68ec9 |
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 | e2pQ9gb4P9C2fhghiSwUWW1+TPBnERFM7zGg2H2mKDMFhpkjAW0ChE5epeAoMDuTGrfVd/SiLQCYZLLeuqmDCA== |
| 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
| 2026-09-17T11:54:59.826177Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021201observed dd60b9f73eee52b103924dbdc91e3830...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:59.808100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021201/manifest.jsonobserved 7705b7c6d81cd06f26aafa97a48e9bb0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:59.791977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021201/publication.mdobserved 5609c101b0d6a7592dcb4e5abb55d8d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:59.774357Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021201/publication.txtobserved 2d675593807572e22ea5cd7945ee0f32...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. |
|---|