OT-2026-000003551
Publication integrity record
Bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure verified
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-2026-000003551) never changes.
Identity and time
| Publication number | OT-2026-000003551 · never reused |
|---|---|
| Internal UUID | 01a0a90a-5b6c-75e0-adba-b659bfc4ae4e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:03.407848Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003551 |
| Status | PUBLIC |
Content hashes
| Canonical text | 579dc643f78813890ad80bffe05407f96d7087113da3d7848b6d97035eb5f476 |
|---|---|
| Markdown | 9525bcdc4314f3c22ce9b30e361b8d41aee3cde6988c203a9a18301a586e6b56 |
| Publication page | 450ff42c94d9fe9ece643f18a858e6c18ec7f0e03821066a3fac22063df428dd |
| Manifest | 2393258422d9e633904e7a67bbd9d690cb2bb1032c29b5d49a3946b0a54915d5 |
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 | Op5LJHTWJcijcOeTpbbqf35Xa64yWn/5n4zocQ/PFrun5PaVIV+zcoseys6Od+m77ju7Yqi4xyho8gkS+MWLBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T08:50:32.223889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003551observed 450ff42c94d9fe9ece643f18a858e6c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:32.209724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003551/manifest.jsonobserved 2393258422d9e633904e7a67bbd9d690...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:32.194123Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003551/publication.mdobserved 9525bcdc4314f3c22ce9b30e361b8d41...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:32.154623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003551/publication.txtobserved 579dc643f78813890ad80bffe05407f9...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. |
|---|