OT-2026-000004925
Publication integrity record
Porous face vacuum gripper, pump fed, pressure verified, contact triggered on the face
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-2026-000004925) never changes.
Identity and time
| Publication number | OT-2026-000004925 · never reused |
|---|---|
| Internal UUID | 01a0a928-051d-7243-8d4b-9c9ca931da32 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:39:27.392775Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004925 |
| Status | PUBLIC |
Content hashes
| Canonical text | 50e63752d9446ace5e3fdf31f3419ce9e6c27bfd476017d32d3e072f225d407a |
|---|---|
| Markdown | 0b5d0a972af269a0d332a8590f401e5f91a4d6d16e1ae399e1bca261bcc2b25c |
| Publication page | d8e1df4b0c62ae772892b045ae33ee721f414e89fa58cb68ccd3c128457c932a |
| Manifest | eb31c81c97bcbe531f288a295d541d1e12d3bd4ccffe8eb5a7b9005e3f289229 |
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 | nO7CdW7PUAwMZ61iBfuF1i+avrbZtH91PBG+jCqhv3LztPNu8W4VXdiyr3iNatbtwOFdfGxnLiJUItp/8Km/BQ== |
| 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
| 2026-09-16T07:40:04.130032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004925observed d8e1df4b0c62ae772892b045ae33ee72...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:04.002687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004925/manifest.jsonobserved eb31c81c97bcbe531f288a295d541d1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:03.987989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004925/publication.mdobserved 0b5d0a972af269a0d332a8590f401e5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:03.975180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004925/publication.txtobserved 50e63752d9446ace5e3fdf31f3419ce9...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. |
|---|