OT-2026-000091048
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000091048) never changes.
Identity and time
| Publication number | OT-2026-000091048 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c012-7f88-bd75-8521a939184c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091048 |
| Status | PUBLIC |
Content hashes
| Canonical text | 19bb6f0a092c5fd0e98c003f6b7baea5bd5e730b64c9b36102a4bb10987d7433 |
|---|---|
| Markdown | 89f10fd2a4ca7ccc1d769d7cff6f94bb81c0ddb28e709ae4a9e1edf194cbb9ec |
| Publication page | 29b8816424c54b0910d113f480750bd6000b5d523e47e5bce3c179b90417ba27 |
| Manifest | 52e49589b8e5feff3d50f9738e8622fd763d213cea1bd2ab57353ccb7b8e5dd2 |
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 | 4fS+zkqFZqVr15ZOu+Qf9aY0Swp4xltft1fd9VWvOXaF1OPNlDUI/KjuFbEUstP6SPAdPlNzTJX3gQ02TngrDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:17.193995Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091048observed 29b8816424c54b0910d113f480750bd6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:17.171891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091048/manifest.jsonobserved 52e49589b8e5feff3d50f9738e8622fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:17.154535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091048/publication.mdobserved 89f10fd2a4ca7ccc1d769d7cff6f94bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:17.133420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091048/publication.txtobserved 19bb6f0a092c5fd0e98c003f6b7baea5...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. |
|---|