OT-2026-000004864
Publication integrity record
Vacuum cup gripper, three zone face, three outlet manifold, pump fed, 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-2026-000004864) never changes.
Identity and time
| Publication number | OT-2026-000004864 · never reused |
|---|---|
| Internal UUID | 01a0a925-c806-7d1c-b6c6-0c6060278eb4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:37:00.683505Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004864 |
| Status | PUBLIC |
Content hashes
| Canonical text | 250f65b1bfc7d101591fd8ebfc662aeca5c80b9d69d0bf8ff3e697e3290ad7dd |
|---|---|
| Markdown | 71830d19368ebd44d8757efcb19e9a0fba6e1c7857f86dae277d84735290c390 |
| Publication page | dca2dbbf50baf0f9761d4d440767df79738b9cc5e8bc138caa3168f707921b3d |
| Manifest | 2595dd1b06467c81fac1f8e42f7b596bede076e5f7537b7f2044789549f6c2a4 |
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 | y9N7Bs963mUygCi9DRYcyVAxCvD/G6OT3e+NtUJ0ObYQUDD8ScQNHvTvOqHs/QvezAiydrDH9g16eYM4UNS/BQ== |
| 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
| 2026-09-16T07:40:10.877741Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004864observed dca2dbbf50baf0f9761d4d440767df79...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:10.740453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004864/manifest.jsonobserved 2595dd1b06467c81fac1f8e42f7b596b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:10.728093Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004864/publication.mdobserved 71830d19368ebd44d8757efcb19e9a0f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:10.715584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004864/publication.txtobserved 250f65b1bfc7d101591fd8ebfc662aec...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. |
|---|