OT-2026-000004881
Publication integrity record
Porous face vacuum gripper, per zone isolation, two stage ejector, pressure verified
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-2026-000004881) never changes.
Identity and time
| Publication number | OT-2026-000004881 · never reused |
|---|---|
| Internal UUID | 01a0a926-70d4-7733-a578-91d0f41f6b5e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:37:43.895875Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004881 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6d01387efeca115f01cb7cc1f54e44763f4ac41c2c30611c3d46087fe524e34a |
|---|---|
| Markdown | 3a200d4ee774f25f539a616d3b74f90781bd876cee9d976f09a0f3fa138718e0 |
| Publication page | 1653d4b9909d5a093c995bb1fd4476bb5fbc265e0809d557b8ad552ad77bb760 |
| Manifest | eb76eaa1864c4f024f3afa463e342c22e07ae7796e155d36b76b221a084d75cc |
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 | cucYlUaZOR0yRaw1olM0gwy71L2g3lsjFevvvz3zUICaOKtktuv7wrychrwc3KA0zyxkXlUwVT2bgXe13FYGAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:08.948700Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004881observed 1653d4b9909d5a093c995bb1fd4476bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:08.934929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004881/manifest.jsonobserved eb76eaa1864c4f024f3afa463e342c22...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:08.919423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004881/publication.mdobserved 3a200d4ee774f25f539a616d3b74f907...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:08.906488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004881/publication.txtobserved 6d01387efeca115f01cb7cc1f54e4476...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. |
|---|