OT-2026-000050541
Publication integrity record
Four cup vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000050541) never changes.
Identity and time
| Publication number | OT-2026-000050541 · never reused |
|---|---|
| Internal UUID | 01a0ae82-5c49-7c80-a7b7-943a790886e8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:14.042293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050541 |
| Status | PUBLIC |
Content hashes
| Canonical text | ed8c0a5f93d872d5206a9a760834fa6ee6b0e25cb27523b14d55e01ec807c550 |
|---|---|
| Markdown | 0ab5967b834436908fcbef5fa156dbe009f930045de76feef3241c23994f343a |
| Publication page | 5e4a2add1f1e69dc1d3b891d5cdfd7cd40565cdca8d917465c12d500a1b40d3e |
| Manifest | 480c7a86d1c445e799b69632008c0c7b2476eef3ae354547cb5bb4fd2f0ea765 |
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 | cVVhBAYODzb/EGBSyY2BESLWygEzp+iGdVeIu1EDWSh3lvWiio8kN27uOzmQHInl2mF6sRhBirs6ba32eYWDBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-21T12:42:03.026922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050541observed 5e4a2add1f1e69dc1d3b891d5cdfd7cd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T12:42:02.976953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050541/manifest.jsonobserved 480c7a86d1c445e799b69632008c0c7b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T12:42:02.919225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050541/publication.mdobserved 0ab5967b834436908fcbef5fa156dbe0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T12:42:02.854811Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050541/publication.txtobserved ed8c0a5f93d872d5206a9a760834fa6e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:38.261842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050541observed 5e4a2add1f1e69dc1d3b891d5cdfd7cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:38.246073Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050541/manifest.jsonobserved 480c7a86d1c445e799b69632008c0c7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:38.229809Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050541/publication.mdobserved 0ab5967b834436908fcbef5fa156dbe0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:38.211369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050541/publication.txtobserved ed8c0a5f93d872d5206a9a760834fa6e...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
| 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 |
|---|