OT-2026-000075021
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000075021) never changes.
Identity and time
| Publication number | OT-2026-000075021 · never reused |
|---|---|
| Internal UUID | 01a0ae93-ac2d-79f7-8b71-4e3cd2702f44 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:08.693295Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075021 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8e89c92f9401bc86f4b80d9f1a6a1d2e38835675b7c01d3e6db924a08d7411ce |
|---|---|
| Markdown | 3f812c4d5451a47c2ce8b825d7eb9fa342a476471e540647e636f7cd5474ab55 |
| Publication page | 56489cc3beed4a10879a5d332e29de64107f27673f663c9dc3f9092c5a1f554d |
| Manifest | b0f54065f1b35286b9aa680b95ce1891eb49d18e54f65957b0d86533fd68d0c2 |
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 | s/qAeFfuumeUXBY72KTAWsmXIIj6na883ItFIMP91XR9ape3NnURRwUUfjvzKlJ9dSeJND4WlMRSM1z2YRnmBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:18:50.023103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075021observed 56489cc3beed4a10879a5d332e29de64...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:18:50.006107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075021/manifest.jsonobserved b0f54065f1b35286b9aa680b95ce1891...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:18:49.989823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075021/publication.mdobserved 3f812c4d5451a47c2ce8b825d7eb9fa3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:18:49.973655Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075021/publication.txtobserved 8e89c92f9401bc86f4b80d9f1a6a1d2e...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. |
|---|