OT-2026-000013544
Publication integrity record
Single bellows cup vacuum gripper, 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-2026-000013544) never changes.
Identity and time
| Publication number | OT-2026-000013544 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fcb-76ce-aa71-961dca83dcb4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013544 |
| Status | PUBLIC |
Content hashes
| Canonical text | 21d0540e58a6cac9e22dcb9231e324263d94a5b85b332de284d25ada30e468c4 |
|---|---|
| Markdown | a60f53069da30196dfdc0776805d64334c90eb0eefaade282ca24db2e603fe23 |
| Publication page | 63855de7008a0ac10a9a16f36576dcc1797cb23da7ccd8186dc37c41634a1b60 |
| Manifest | 7f7bf4a2484a84baa8f411422e552334b0ff4f10415f40a36319c9d0691e12a8 |
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 | kHQQbdt7p+o/xyqy6qvgcOa3Eix+BFi0ZIaeZdxhUj9a1JgGJHAMJeX2MGpSE3aJW9ZDkhAJTYx4O1JpnoECDA== |
| 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
| 2026-09-17T12:09:22.531961Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013544observed 63855de7008a0ac10a9a16f36576dcc1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:22.512128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013544/manifest.jsonobserved 7f7bf4a2484a84baa8f411422e552334...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:22.492507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013544/publication.mdobserved a60f53069da30196dfdc0776805d6433...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:22.470925Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013544/publication.txtobserved 21d0540e58a6cac9e22dcb9231e32426...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. |
|---|