OT-2026-000004781
Publication integrity record
Vacuum cup gripper, two zone face, three stage ejector, pressure verified, contact triggered
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-2026-000004781) never changes.
Identity and time
| Publication number | OT-2026-000004781 · never reused |
|---|---|
| Internal UUID | 01a0a923-2743-7528-9c19-fba2d2326cc2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:34:08.454550Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004781 |
| Status | PUBLIC |
Content hashes
| Canonical text | ccf7b80ea475ac5ea57a9a96b829315e893f44a6d9694ecd4b6d7f3e55926d9b |
|---|---|
| Markdown | 7439afe99e31c771f979f9825c6c1315036a0597fa43a38eb85eb857cc327bea |
| Publication page | c9ade553ab37d902622654601bcfd7d59e8d2d0ee98aaeb14fb2d75bce7da8f8 |
| Manifest | 4a0df25413750074998d8f24e9c8387cf03c673f5588a52059ff55609aabcdce |
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 | ay6JqgcQenwQrOYGLspxV4bjMnHQhgu1dHqCSC899/AlIOuGrDUopJK2NtKX9Wue0sXm3eWd1xSuq7uMQi9UAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:19.667152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004781observed c9ade553ab37d902622654601bcfd7d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:19.656045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004781/manifest.jsonobserved 4a0df25413750074998d8f24e9c8387c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:19.642154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004781/publication.mdobserved 7439afe99e31c771f979f9825c6c1315...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:19.630394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004781/publication.txtobserved ccf7b80ea475ac5ea57a9a96b829315e...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. |
|---|