OT-2026-000003956
Publication integrity record
Vacuum cup gripper, two zone face, pump fed, contact triggered on the face, polyurethane cups
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-2026-000003956) never changes.
Identity and time
| Publication number | OT-2026-000003956 · never reused |
|---|---|
| Internal UUID | 01a0a90b-9470-7e22-8fdb-81b8cff40fa9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:23.538589Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003956 |
| Status | PUBLIC |
Content hashes
| Canonical text | f1ff0c48e560a3ea89e3b25ed1ccd79431c97247352fc6ddd83679340272dfdb |
|---|---|
| Markdown | aee5daea9a02b6b38d44a9596ec67e196e548227e70c3f8eadc561d006214a14 |
| Publication page | 5a1be2a37f22fdb2687aa6757928879e6cebaadf870590ad7b148e5645660f14 |
| Manifest | 1eadf74a3cc7526ea6eb14dd5d5cdfa3b6781f04f47c8b8d8a48e1c4dadbf3dc |
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 | rb96ZMlQ906dEL1PS+bfnPg1V44MfIzogubW0aFNWPOIflWBE7rw6DAWB1x+iDdpSkTqn0dKZHTOZCLZQnnaAw== |
| 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
| 2026-09-16T07:10:10.022597Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003956observed 5a1be2a37f22fdb2687aa6757928879e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:10.006380Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003956/manifest.jsonobserved 1eadf74a3cc7526ea6eb14dd5d5cdfa3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:09.991589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003956/publication.mdobserved aee5daea9a02b6b38d44a9596ec67e19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:09.976911Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003956/publication.txtobserved f1ff0c48e560a3ea89e3b25ed1ccd794...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. |
|---|