OT-2026-000042443
Publication integrity record
Three cup vacuum gripper, three zone face, three 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-2026-000042443) never changes.
Identity and time
| Publication number | OT-2026-000042443 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d75-7efa-b6b1-c379e0987e37 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042443 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1b67d384e9f73145731ee54abfa73818ce2ffe0abdb8c4744076ad48a5a66e1c |
|---|---|
| Markdown | 4e726f8fef69b8002510d729d759c648b3383309b5fc8b6cecbb33daa890fb97 |
| Publication page | 0fc0420d4c6dcdc21e2dc6783758002ecc0fd2278fe0634b83493bec337e5f76 |
| Manifest | 83f3e53bb513770ce3c6972b1679d9736650b930ff5092fdca2b9e43d69724b0 |
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 | NDCOc40mAgRhkoRicjatysw3rskD+lflCodH2LHGoZLxkIDtSPgiFVFmV3WjPiNdZL93oLd/kBWGXOEADYilAw== |
| 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
| 2026-10-06T08:41:56.099362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042443observed 0fc0420d4c6dcdc21e2dc6783758002e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-06T08:41:56.012310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042443/manifest.jsonobserved 83f3e53bb513770ce3c6972b1679d973...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:55.907686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042443/publication.mdobserved 4e726f8fef69b8002510d729d759c648...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:55.819873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042443/publication.txtobserved 1b67d384e9f73145731ee54abfa73818...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T00:42:20.265308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042443observed 0fc0420d4c6dcdc21e2dc6783758002e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T00:42:20.200352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042443/manifest.jsonobserved 83f3e53bb513770ce3c6972b1679d973...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T00:42:20.127697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042443/publication.mdobserved 4e726f8fef69b8002510d729d759c648...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T00:42:20.044653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042443/publication.txtobserved 1b67d384e9f73145731ee54abfa73818...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 |
|---|