OT-2026-000021419
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000021419) never changes.
Identity and time
| Publication number | OT-2026-000021419 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7430-a5dd-54cfd7cce01b · 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-2026-000021419 |
| Status | PUBLIC |
Content hashes
| Canonical text | d5ba50fe21c7664fd58ad1554b968fae308fc59959e50e5f17972cfbb6da0936 |
|---|---|
| Markdown | 8de01b6ad4d2ede75b2c86e313d064d3ff5dcab7cd801c1b35d642bd7e7beb2a |
| Publication page | c319ab3d1ac89ed3f7fd78825b2584f5dc63718fc9e92932cd59cf394b9adf81 |
| Manifest | 0ee742951c0de7ce5713039866f31b558a74175994715ba93c752b941f5c5d5e |
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 | EWFabBWPjWHPIE3NkmvrVJpSB/BDXXtUo2BQHCW/pVZ9n8KdhZkhDEd5U2UK8RDlYD03YxQIyrGM/X4Nr17IAw== |
| 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
| 2026-09-17T11:55:19.213993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021419observed c319ab3d1ac89ed3f7fd78825b2584f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:19.190510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021419/manifest.jsonobserved 0ee742951c0de7ce5713039866f31b55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:19.170193Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021419/publication.mdobserved 8de01b6ad4d2ede75b2c86e313d064d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:19.146826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021419/publication.txtobserved d5ba50fe21c7664fd58ad1554b968fae...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. |
|---|