OT-2026-000021579
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump 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-2026-000021579) never changes.
Identity and time
| Publication number | OT-2026-000021579 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7a5a-93d1-64c783ca4265 · 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-2026-000021579 |
| Status | PUBLIC |
Content hashes
| Canonical text | 29c99cb6c9cf68a5af16b7e342a6368423b2b7add0eeed4d9f3e154ca47953eb |
|---|---|
| Markdown | ed4acd1dedcfbbee1800101becdda4617d5d4f171be6c91974b040b040536fe9 |
| Publication page | c8b345cee76d290a8001a497d653edaa83ad47567106fb8f7e79e183a736b264 |
| Manifest | 508b5e5d6f42217bb485655f06e2ec0993806e601cd3ca1cc7afa6fffe59825e |
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 | f3MIfsNjiAsxtqp4ufTUNt9MOAKhq+UeWtVZC9Kk5W+apJTS5Zpu62Iv9vssWWELujm00FXEjKDErJEtXYVwDg== |
| 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
| 2026-09-17T11:55:30.141887Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021579observed c8b345cee76d290a8001a497d653edaa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:30.125147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021579/manifest.jsonobserved 508b5e5d6f42217bb485655f06e2ec09...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:30.107811Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021579/publication.mdobserved ed4acd1dedcfbbee1800101becdda461...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:30.088621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021579/publication.txtobserved 29c99cb6c9cf68a5af16b7e342a63684...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. |
|---|