OT-2026-000021743
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000021743) never changes.
Identity and time
| Publication number | OT-2026-000021743 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7a6b-b621-ab51357cd0c4 · 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-2026-000021743 |
| Status | PUBLIC |
Content hashes
| Canonical text | f2f99d3a5599efbba1e95e04fd73dc0f715b6bf739fd95f97c9da36ee6abdd65 |
|---|---|
| Markdown | 41caa123abe2a823ee008369e1634ed0100b815facd1bfc29623444b8d7264d8 |
| Publication page | e031ceb81e54a49945f858edb9811ee18735e3e9bf2d6150c0d56b28d94471e4 |
| Manifest | 1c7cc36b9805a2b0d1fe2c921a62a3b9fd04074ddfe79977a365c8bd8a8defc3 |
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 | iEMnQhyKVT7MJYQCw4wVRLD+qKNoM5j5jAnngx2yOc0qQGeiZL2qGXmpPIJy/LbeJ10oz5aEll+JVPSzcxdmAA== |
| 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
| 2026-09-17T11:54:06.393846Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021743observed e031ceb81e54a49945f858edb9811ee1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:06.377001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021743/manifest.jsonobserved 1c7cc36b9805a2b0d1fe2c921a62a3b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:06.357826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021743/publication.mdobserved 41caa123abe2a823ee008369e1634ed0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:06.339663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021743/publication.txtobserved f2f99d3a5599efbba1e95e04fd73dc0f...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. |
|---|