OT-2026-000004299
Publication integrity record
Vacuum cup gripper, two zone face, per zone isolation, ejector fed, 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-2026-000004299) never changes.
Identity and time
| Publication number | OT-2026-000004299 · never reused |
|---|---|
| Internal UUID | 01a0a913-61f9-7719-9a51-ef817dc7cf43 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:54.907966Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004299 |
| Status | PUBLIC |
Content hashes
| Canonical text | a345fd383be8dc45596feb3dc79699ffd6aa295154de7b26c145e61e7effdc42 |
|---|---|
| Markdown | f06c4d51141af3d368dd9c39a067fdee27a870fff1632fd12483d5c08afd81d2 |
| Publication page | 853a0304190f9fec42dba0f5148d31f339d8d51fa3b5d21bcf9d8b76819fac96 |
| Manifest | b364ed05aca848b98bee58888d8a513973aef4c01f89fd315a07c45bb7015a2a |
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 | NmhfKnG2cXuITh3luggkuEZ8nnd02BCOkPAQwGEwme68UejviN6wbQ2FsfGX2Hp0Gk1qTSZJ8xeLYRq6Tj93BA== |
| 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
| 2026-09-16T07:20:13.642249Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004299observed 853a0304190f9fec42dba0f5148d31f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:13.628054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004299/manifest.jsonobserved b364ed05aca848b98bee58888d8a5139...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:13.487732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004299/publication.mdobserved f06c4d51141af3d368dd9c39a067fdee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:13.471110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004299/publication.txtobserved a345fd383be8dc45596feb3dc79699ff...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. |
|---|