OT-2026-000004958
Publication integrity record
Porous face vacuum gripper, four zone face, common isolation valve, ejector fed, contact triggered
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-2026-000004958) never changes.
Identity and time
| Publication number | OT-2026-000004958 · never reused |
|---|---|
| Internal UUID | 01a0a929-313a-7239-aa66-c69eba699e2c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:40:44.221074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004958 |
| Status | PUBLIC |
Content hashes
| Canonical text | d02ad3641f65af2bdea63fd863127456aa25855d4395fcdd19b80d3eaf522b42 |
|---|---|
| Markdown | dc5320b749fb0adb1623c413cf05af620ef5c1034a5f847b05110c53094faada |
| Publication page | a2b701938fde35237c6a168cab45bd6db1443d01d5f286693cd40d074dbfa436 |
| Manifest | ea85d9ad814ff4584b8808de0e2a78d08e7dc421de2f18fc07cb1fe7ec857cad |
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 | YZcCwmwsHCqKGpVcI8JYKxV+ajwQzKYLVzSqU4ZNkmq571XZm+ocvkIFusR1DKPOvAYSFnFmfMTOj8YjE9VnAA== |
| 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
| 2026-09-16T07:50:30.907550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004958observed a2b701938fde35237c6a168cab45bd6d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:30.895359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004958/manifest.jsonobserved ea85d9ad814ff4584b8808de0e2a78d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:30.879672Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004958/publication.mdobserved dc5320b749fb0adb1623c413cf05af62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:30.742030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004958/publication.txtobserved d02ad3641f65af2bdea63fd863127456...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. |
|---|