OT-2026-000003919
Publication integrity record
Vacuum cup gripper, three zone face, four outlet manifold, ejector 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-2026-000003919) never changes.
Identity and time
| Publication number | OT-2026-000003919 · never reused |
|---|---|
| Internal UUID | 01a0a90b-7591-79bc-bd04-fa72799804a1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:15.636310Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003919 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4600a460c8592baa1f8c9def498350b82a9f57c6d380ac4fab806b9cc7c4727f |
|---|---|
| Markdown | 134108c49a496888569a5b68b3477622ccc693afd4224640f5955823cff72b4d |
| Publication page | ffa43d08649f835b4e3812471804976ed4707e49b7b5dbd6f8f8e8e9932a30b9 |
| Manifest | 02707a8e6131813e9c9bdd85a0a6e59f27f953551f7917e8d674798245c6118a |
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 | 6oUn0sjRQWNJzc4cq4B+kEAHXnvIJhBfEcy5qjAtWtXw5z0SMWCK4tc+i8B9QGR8xID357maRqLC3fsoAD/iDg== |
| 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
| 2026-10-02T12:41:21.008023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003919observed ffa43d08649f835b4e3812471804976e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-02T12:41:20.948402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003919/manifest.jsonobserved 02707a8e6131813e9c9bdd85a0a6e59f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T12:41:20.879075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003919/publication.mdobserved 134108c49a496888569a5b68b3477622...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T12:41:20.699354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003919/publication.txtobserved 4600a460c8592baa1f8c9def498350b8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:16.138998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003919observed ffa43d08649f835b4e3812471804976e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:16.124342Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003919/manifest.jsonobserved 02707a8e6131813e9c9bdd85a0a6e59f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:16.110516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003919/publication.mdobserved 134108c49a496888569a5b68b3477622...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:15.991391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003919/publication.txtobserved 4600a460c8592baa1f8c9def498350b8...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 |
|---|