OT-2026-000072472
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-2026-000072472) never changes.
Identity and time
| Publication number | OT-2026-000072472 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89d8-7f05-ab02-0c5c18eb4caa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072472 |
| Status | PUBLIC |
Content hashes
| Canonical text | e2b7eec73aaa33d6121ed87b36fc6fe6144a8c926f34477a5041e02ff55dc4f9 |
|---|---|
| Markdown | 755df7f8405c4c4ea87bcb8d4a42f7e5f4be0c393ec763e6fb2087d528aed980 |
| Publication page | ef1c7a7b266874194e733aaf955ea6264a165804bd25afcb9206b5abe75a5648 |
| Manifest | 9a7ffda453bb7239a633d1ba5825d1bdc7dfb8ea4c7e56e2c99325e68e0080c9 |
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 | 2dYyAS1UNZA8yKsm8mJa3iiZZnEg3m2uURaKa7l5OyrMwOhfMJ0IdWMsIWHLcnWbE6GFoajbsjHDFhCGrcWHCA== |
| 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
| 2026-09-17T10:22:17.896687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072472observed ef1c7a7b266874194e733aaf955ea626...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:22:17.879653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072472/manifest.jsonobserved 9a7ffda453bb7239a633d1ba5825d1bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:17.861728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072472/publication.mdobserved 755df7f8405c4c4ea87bcb8d4a42f7e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:17.843189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072472/publication.txtobserved e2b7eec73aaa33d6121ed87b36fc6fe6...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. |
|---|