OT-2026-000004204
Publication integrity record
Porous face vacuum gripper, two zone face, three outlet manifold, 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-2026-000004204) never changes.
Identity and time
| Publication number | OT-2026-000004204 · never reused |
|---|---|
| Internal UUID | 01a0a911-5db5-7392-9c48-93ebbe154228 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:42.744015Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004204 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8cc2a4ca162b096add67326cccff6e0613b9c5c852e702c046e480f3a3eef47f |
|---|---|
| Markdown | ae85a1b064ce3295707a55d4ea8ac9458d6f09ebd5b9d49cfa28c80770c008e2 |
| Publication page | 2f8f54693978b269386eb985d0b8a1a073ed3c55ae6536d4900512239728ad6a |
| Manifest | d621d3f8f05216dcd816ff42814358c22b5f687d8498639f8da2876f41146204 |
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 | M+Z0MfjJLUB7ZT+d5FbF133R09juYTpqEGOzoT6hjNEoBJhdBMGUVBopObWUHzSJcb0V4NXumlCHWXXJafN3AQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:24.397167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004204observed 2f8f54693978b269386eb985d0b8a1a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:24.382564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004204/manifest.jsonobserved d621d3f8f05216dcd816ff42814358c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:24.369477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004204/publication.mdobserved ae85a1b064ce3295707a55d4ea8ac945...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:24.239921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004204/publication.txtobserved 8cc2a4ca162b096add67326cccff6e06...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. |
|---|