OT-2026-000022545
Publication integrity record
Single cup 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-2026-000022545) never changes.
Identity and time
| Publication number | OT-2026-000022545 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4ff-794c-9b7a-51f9e685d6c0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022545 |
| Status | PUBLIC |
Content hashes
| Canonical text | dd8e320eb82d5f9b2a3d0a976a154dd51efbb3b878f82d076d58593c6fbae43c |
|---|---|
| Markdown | 87660ad1e66e723b06734aa1571272e3874f7d6ba41a2d5a10a2e49aedfa927d |
| Publication page | e56a61945d16a52624ac6bd13d2e4d31a4672278537e4ef22c2c8126c6296a5d |
| Manifest | 4798c6c439386cdee6e1d3b150d58aeb043cb8239a948fd37ae62edf9ac74717 |
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 | 7n/fd04Y/EBCnk1kZloExl6uj3FjlYvkUR6S0QLkud9x42SS9hlEJfOA5OK7QG/noEq64oxLv1gY9Yg5VuvXAw== |
| 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
| 2026-09-17T11:53:58.854647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022545observed e56a61945d16a52624ac6bd13d2e4d31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:53:58.837014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022545/manifest.jsonobserved 4798c6c439386cdee6e1d3b150d58aeb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:58.819571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022545/publication.mdobserved 87660ad1e66e723b06734aa1571272e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:58.801209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022545/publication.txtobserved dd8e320eb82d5f9b2a3d0a976a154dd5...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. |
|---|