OT-2026-000021800
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000021800) never changes.
Identity and time
| Publication number | OT-2026-000021800 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7b6b-8c3c-2ceb10627763 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021800 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3a96bb987a047ec85cdb8ccca117ab35866435e4136cfba5c1d71412666e3975 |
|---|---|
| Markdown | 627db37d91ef104d0f12b09cf051ad00b96c522a237716d2a642b91ad76fdddc |
| Publication page | 84139e0842c9fec9214692beb10332180ba2586a2b9279400aae31c78fa23bf5 |
| Manifest | 7c6c0b45c239586fe3c08faf43e878c85f665278b33d691089024aad2163e604 |
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 | UnBGouc/zfs9TJABcp0vpbvyBIpsDWAd7CnMzbrsrK3vafqmkxWJRcArt4oMUF3WcuOIgdBW1VbNCNj8HIj+BA== |
| 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
| 2026-09-17T11:54:21.217545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021800observed 84139e0842c9fec9214692beb1033218...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:21.199058Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021800/manifest.jsonobserved 7c6c0b45c239586fe3c08faf43e878c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:21.179898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021800/publication.mdobserved 627db37d91ef104d0f12b09cf051ad00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:21.160250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021800/publication.txtobserved 3a96bb987a047ec85cdb8ccca117ab35...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. |
|---|