OT-2026-000020021
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000020021) never changes.
Identity and time
| Publication number | OT-2026-000020021 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb7-7f7c-a404-381825586d45 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020021 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8f9d1d127887911fbde79153dc9eaf059c8d78cdeb2a69d0ed7658fc95668e51 |
|---|---|
| Markdown | 5e255653bc210f386bfddf788638c85297dc459908529a9f399deffe41dbdd54 |
| Publication page | 08d93a676ab3907900e92a39726be028cc81e0273d9edafde0988a662320a495 |
| Manifest | 6b14653d668b6b8108841cd0e49d93de0734015830decbd0765e8963343b8b04 |
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 | sgIvmktd8g3AXzdoH8mq+vmwpReQ+E5sf6SZdpSbYBgDQvgXfvL2PKudKz2soUMTF7wYEozfzJjEvqAELXZNDw== |
| 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
| 2026-09-17T11:58:16.439491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020021observed 08d93a676ab3907900e92a39726be028...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:16.421166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020021/manifest.jsonobserved 6b14653d668b6b8108841cd0e49d93de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:16.403663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020021/publication.mdobserved 5e255653bc210f386bfddf788638c852...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:16.376552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020021/publication.txtobserved 8f9d1d127887911fbde79153dc9eaf05...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. |
|---|