OT-2026-000020728
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000020728) never changes.
Identity and time
| Publication number | OT-2026-000020728 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-7cf8-ba57-11526ae768a4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020728 |
| Status | PUBLIC |
Content hashes
| Canonical text | 90d241dc227a7c76ed4999ba0313f62dc293c948e535a8e47357a970ac9085d9 |
|---|---|
| Markdown | b8db2c27a49ec4b1e5a9d752c76c038ce8b1979f52881e67592c3eaf65ef71c8 |
| Publication page | 76531fda3970b2ef93c5392e5be5498540b5651fef547c776d759ebce7a9342c |
| Manifest | aef45dfcb351080089ddc0f780b8d0ce4b5d45c51ca3016ab99c1a339731fb60 |
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 | q0NndrpwihjfUFn8JTEljMluMnMVGw0588NWS7bxA9C7AQVEmZ7t1gfcafZF0OX8K7Dbg6LFBRUgHM1HG+YcCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:55:47.310340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020728observed 76531fda3970b2ef93c5392e5be54985...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:47.292087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020728/manifest.jsonobserved aef45dfcb351080089ddc0f780b8d0ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:47.273254Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020728/publication.mdobserved b8db2c27a49ec4b1e5a9d752c76c038c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:47.255459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020728/publication.txtobserved 90d241dc227a7c76ed4999ba0313f62d...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. |
|---|