OT-2026-000044921
Publication integrity record
Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044921) never changes.
Identity and time
| Publication number | OT-2026-000044921 · never reused |
|---|---|
| Internal UUID | 01a0ae7c-911c-7bd3-963b-a7a4087c2679 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:29:54.474009Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000044921 |
| Status | PUBLIC |
Content hashes
| Canonical text | 667479c72568dd9e51db7933ac4d245088c6e03208e7b42014becf1b2f3a9efc |
|---|---|
| Markdown | 69c36644edfc3a3d4c2fe862b74db8f59c97f3e1590321d45e0034b14e8c31dd |
| Publication page | 805aa3b42f7b55ba6b67ac834f02253cf9448968f99df4659d029ef3e82889ec |
| Manifest | b74b6979d1d51123d503c6dcfd8ef873617b3caa506ca1a9917aacba0c53737c |
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 | 3JI+gNBPt/ATFMptUxvoN89M0jQFHmM6mjwE4sFPI8FqjoYBSj1sZuTqOi48j0wP9D/HNfUyqchmOs0+BheWCw== |
| 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
| 2026-10-13T20:41:18.760758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044921observed 805aa3b42f7b55ba6b67ac834f02253c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T20:41:18.644902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044921/manifest.jsonobserved b74b6979d1d51123d503c6dcfd8ef873...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T20:41:18.419637Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044921/publication.mdobserved 69c36644edfc3a3d4c2fe862b74db8f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T20:41:18.280617Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044921/publication.txtobserved 667479c72568dd9e51db7933ac4d2450...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T08:41:08.957227Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044921observed 805aa3b42f7b55ba6b67ac834f02253c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T08:41:08.873859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044921/manifest.jsonobserved b74b6979d1d51123d503c6dcfd8ef873...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T08:41:08.794223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044921/publication.mdobserved 69c36644edfc3a3d4c2fe862b74db8f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T08:41:08.711181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044921/publication.txtobserved 667479c72568dd9e51db7933ac4d2450...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 |
|---|