OT-2026-000091994
Publication integrity record
Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000091994) never changes.
Identity and time
| Publication number | OT-2026-000091994 · never reused |
|---|---|
| Internal UUID | 01a0ae9d-43bb-7b93-94e1-896905ada36f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:37.256105Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091994 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4a4621861c1b6ebb98de9afd9b77dbb6a76d32da8d0df3060c75f6827f29b67d |
|---|---|
| Markdown | 6e1271bfe7120bbb0639dca4d24325ec2716affbd121feb7c78f1ac03dc04e76 |
| Publication page | a4de6f6b28d3fc35932237273e2918a5a352ea77ca4d9863a2384d32d0b314fb |
| Manifest | 3f8c8180b8dd88cad2b15f29ba65e4f4ce3682c051f6fff8a414b78e510a0aa6 |
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 | oVzFX6fXjd8NXdKAKfND2G/Bf9uKwdy/DQi+xMXhVTwY4fS9J6gZEgauOvIn8ZHms5X+zMZ64exUroUcOH8jBA== |
| 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
| 2026-09-17T09:42:59.816202Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091994observed a4de6f6b28d3fc35932237273e2918a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:42:59.780919Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091994/manifest.jsonobserved 3f8c8180b8dd88cad2b15f29ba65e4f4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:42:59.742386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091994/publication.mdobserved 6e1271bfe7120bbb0639dca4d24325ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:42:59.705101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091994/publication.txtobserved 4a4621861c1b6ebb98de9afd9b77dbb6...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. |
|---|