OT-2026-000021470
Publication integrity record
Foam pad vacuum gripper, plant vacuum 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-2026-000021470) never changes.
Identity and time
| Publication number | OT-2026-000021470 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7f4e-8919-cd5fd79a1a14 · 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-2026-000021470 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4b0d14ebf38b66f2722a36e459ceaa2453dbacc3de1a2a4b3ee5c5bd28620f0a |
|---|---|
| Markdown | 7c8c17a08caf91d3170dc374632cfd46717b195e14fdd2ee05cfe3e1490ae5e2 |
| Publication page | 2cf2a53650d3788143fdbbbb5fb729dc58bb19b55a4e6147d320e3d5e335bf9f |
| Manifest | b74fec6012c8c6246bde6b03545f2218b7992a0f546eb75435eb586f9191d19e |
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 | 3xys78dXekG5GPUw9qvmVGgszqlGtyS1evZfeBTkrA9uXoDs1pj7HAdl3/tYUoHmwLKtv7K6/HTzXM6GOfZNBQ== |
| 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
| 2026-09-17T11:55:23.077482Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021470observed 2cf2a53650d3788143fdbbbb5fb729dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:23.059032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021470/manifest.jsonobserved b74fec6012c8c6246bde6b03545f2218...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:23.040753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021470/publication.mdobserved 7c8c17a08caf91d3170dc374632cfd46...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:23.022749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021470/publication.txtobserved 4b0d14ebf38b66f2722a36e459ceaa24...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. |
|---|