OT-2026-000074903
Publication integrity record
Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000074903) never changes.
Identity and time
| Publication number | OT-2026-000074903 · never reused |
|---|---|
| Internal UUID | 01a0ae93-ac2d-73f8-80cd-d1b1f62fa3f8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:08.693295Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074903 |
| Status | PUBLIC |
Content hashes
| Canonical text | d7102c475716c9168d715670c72ce3a9ddd245a80c640fb9ede40f65a14b8828 |
|---|---|
| Markdown | 745d9fbef7689f81a99d9f92fc2fc2ef149f1a066a5a24c017e5cd85aa1ea479 |
| Publication page | 34ecabef0d25165924e20523c1f3ccd6969ba6cd2b2d1604ac5203b52b2610f1 |
| Manifest | 70e888c452be6fd3fedeb73627b60662b714d5f278be251cc1cf619a5106b7f1 |
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 | GXhIIK1LouYKNQci4jqz+95AiuxeAkgk0/dEh5v41MYSJtoWZQNtMW9QNWlb4D6jOKiHZf1pB4cYZ710pEO+Ag== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-20T20:41:51.593074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074903observed 34ecabef0d25165924e20523c1f3ccd6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T20:41:51.535648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074903/manifest.jsonobserved 70e888c452be6fd3fedeb73627b60662...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:51.454780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074903/publication.mdobserved 745d9fbef7689f81a99d9f92fc2fc2ef...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:51.284975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074903/publication.txtobserved d7102c475716c9168d715670c72ce3a9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T00:41:14.211381Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074903observed 34ecabef0d25165924e20523c1f3ccd6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T00:41:14.068071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074903/manifest.jsonobserved 70e888c452be6fd3fedeb73627b60662...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T00:41:13.901982Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074903/publication.mdobserved 745d9fbef7689f81a99d9f92fc2fc2ef...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T00:41:13.755273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074903/publication.txtobserved d7102c475716c9168d715670c72ce3a9...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|