OT-2026-000006160
Publication integrity record
Porous face vacuum gripper, four outlet manifold, pump fed, 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-2026-000006160) never changes.
Identity and time
| Publication number | OT-2026-000006160 · never reused |
|---|---|
| Internal UUID | 01a0a951-6016-731d-92e9-589778c2f1b5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:24:37.657003Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006160 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4f0673e5f00aa9ccc7ffe4376d738775eff60e1248a0594d08dbf9bbaefe5f4b |
|---|---|
| Markdown | e13a45ace97bccd6c97813d0db1412673f09c7ab6d4ba19c1ccdf119056850eb |
| Publication page | 9b76dd7babe21f6b504497011c8c8c13a47c5303cd642254c14de883e91c3741 |
| Manifest | 06661712f00ed6f82a1e42b8fc5fdcccf84c965e4b8c3abb6951e03b4300fa65 |
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 | PxefdpIq5UnQ3FjdnopxBJkexHpFUc+FJA5Hm6aIbGDXbtMsSf+YF9TNC+vyFmpD3D5i1XF11iq05lv5g3dRBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-10-20T20:42:01.407545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006160observed 9b76dd7babe21f6b504497011c8c8c13...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T20:42:01.357897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006160/manifest.jsonobserved 06661712f00ed6f82a1e42b8fc5fdccc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:42:01.303963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006160/publication.mdobserved e13a45ace97bccd6c97813d0db141267...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:42:01.133725Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006160/publication.txtobserved 4f0673e5f00aa9ccc7ffe4376d738775...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T00:41:54.815325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006160observed 9b76dd7babe21f6b504497011c8c8c13...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T00:41:54.677378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006160/manifest.jsonobserved 06661712f00ed6f82a1e42b8fc5fdccc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T00:41:54.590377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006160/publication.mdobserved e13a45ace97bccd6c97813d0db141267...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T00:41:54.448079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006160/publication.txtobserved 4f0673e5f00aa9ccc7ffe4376d738775...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 |
|---|