OT-2026-000074072
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000074072) never changes.
Identity and time
| Publication number | OT-2026-000074072 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8f-7aee-8edf-8bfc6137f93b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:35.679268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074072 |
| Status | PUBLIC |
Content hashes
| Canonical text | bd1a47b7bef5fbaac1699f22848caf324cc92f840cc308daec0bc9b94f0dc9be |
|---|---|
| Markdown | 56cde0b27ffdc213056df26a4c3abc575f4a2f457f295ecf168513e972299a7d |
| Publication page | 7c0d30fe432c24707ea85665cffe97ee15259e6c7a5cd4c4cde185f2eccf7689 |
| Manifest | 54b03a61066461add4bd2abf2b79969303612c80996496d9ad9d0104caddbada |
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 | FUXerWcSKqvj0uiaGh4hn5ojmkH/GTWs3Z9Nk5V0FcwQzp0v2ZdG6LRdNebLjMVx12MM0qY6qJuNkLcC9ZPtCQ== |
| 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
| 2026-09-17T10:20:58.335902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074072observed 7c0d30fe432c24707ea85665cffe97ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:20:58.317472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074072/manifest.jsonobserved 54b03a61066461add4bd2abf2b799693...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:20:58.296087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074072/publication.mdobserved 56cde0b27ffdc213056df26a4c3abc57...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:20:58.252037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074072/publication.txtobserved bd1a47b7bef5fbaac1699f22848caf32...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. |
|---|