OT-2026-000004833
Publication integrity record
Porous face vacuum gripper, four outlet manifold, pump fed, 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-2026-000004833) never changes.
Identity and time
| Publication number | OT-2026-000004833 · never reused |
|---|---|
| Internal UUID | 01a0a924-c716-7720-91d7-8815d7209633 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:35:54.905144Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004833 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1c4562f0f91b0f41db76f33e7d3f76b967da6a7c23b6290eb935f2e3893f48f8 |
|---|---|
| Markdown | ae1d2e362211b4f71c5d3502bee738aa9722c2de575ed65b6a1bcbc2edae5a49 |
| Publication page | e71d3329ab6943975e647b7814a06f763122e2d2309e6c0707555b4497c69094 |
| Manifest | 403f3533a80c76aa719163a97c56a66282da1afaf29655a42b002dfbe02ecc99 |
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 | ff5Ijt9LatGMTysGX4p5DskEht541EZNFBeFMDuIpw9hj6jpxRWa2rqIxh6GbkqUIn11VjrRhJM0RdE4FuSiBg== |
| 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
| 2026-09-16T07:40:14.142778Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004833observed e71d3329ab6943975e647b7814a06f76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:14.129500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004833/manifest.jsonobserved 403f3533a80c76aa719163a97c56a662...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:14.003491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004833/publication.mdobserved ae1d2e362211b4f71c5d3502bee738aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:13.991653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004833/publication.txtobserved 1c4562f0f91b0f41db76f33e7d3f76b9...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. |
|---|