OT-2026-000021784
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000021784) never changes.
Identity and time
| Publication number | OT-2026-000021784 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-781f-9b11-03a306bf3cfa · 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-2026-000021784 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4eaa341f83bdaae83d436663d866ef0497dca460006a2520c6c414ff4d144515 |
|---|---|
| Markdown | ba1e9754e94e27dc1d1f1780b94f9f95141a4158c9de4193f7d4bf936374b184 |
| Publication page | 872dad0d8d2de16ca46a4a8d7f152ae38a22b2888296626bc1d15f953b3d75e2 |
| Manifest | cbe09d0c0b98a1d0ce1440604eeec4bfb11460d5da3a93d7a492ea94606411dc |
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 | iqutWK1QodaWRalPaLhaYzMTrX6vf37EQjDdGXVEB1WAxtgWH7CuVIe/rJslZUygKD6qmgFeLzabZA0fnHpUAg== |
| 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
| 2026-09-17T11:54:19.998885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021784observed 872dad0d8d2de16ca46a4a8d7f152ae3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:19.979888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021784/manifest.jsonobserved cbe09d0c0b98a1d0ce1440604eeec4bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:19.964162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021784/publication.mdobserved ba1e9754e94e27dc1d1f1780b94f9f95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:19.945997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021784/publication.txtobserved 4eaa341f83bdaae83d436663d866ef04...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. |
|---|