OT-2026-000044381
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after set-down
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-2026-000044381) never changes.
Identity and time
| Publication number | OT-2026-000044381 · never reused |
|---|---|
| Internal UUID | 01a0ae7c-39d7-7f75-a5ee-96fd4c35bb28 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:29:32.012327Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000044381 |
| Status | PUBLIC |
Content hashes
| Canonical text | 44f14a164bfae6b6d619bcb0be20a288eabe8cf42fe3802a79808eaa762eeaf4 |
|---|---|
| Markdown | 797f53dfd6b3fdb739ce5209e48595a79a57217ebff2b71b3ce81133f47c5a86 |
| Publication page | 420d3ed9d415f0f364eb5ea6d797bc4663857a75c66e0c9755ec4c98c347d636 |
| Manifest | 4ff667b8ca1df71e032be78aa5a19447895052a29da4abf93853d021c17d7555 |
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 | mAhFoBiyxrjhWCNTZRXMfMxsolPOQ59Gbuit5LWN/YIJy2AT/e1uA5D3gS2ppLMKAOlDrV9JZHTklhYjCQtfDw== |
| 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
| 2026-11-04T04:41:24.188462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044381observed 420d3ed9d415f0f364eb5ea6d797bc46...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-04T04:41:24.135673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044381/manifest.jsonobserved 4ff667b8ca1df71e032be78aa5a19447...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T04:41:24.083436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044381/publication.mdobserved 797f53dfd6b3fdb739ce5209e48595a7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T04:41:24.009925Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044381/publication.txtobserved 44f14a164bfae6b6d619bcb0be20a288...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:20.488718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044381observed 420d3ed9d415f0f364eb5ea6d797bc46...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:20.423619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044381/manifest.jsonobserved 4ff667b8ca1df71e032be78aa5a19447...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:20.375388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044381/publication.mdobserved 797f53dfd6b3fdb739ce5209e48595a7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:20.306572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044381/publication.txtobserved 44f14a164bfae6b6d619bcb0be20a288...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 |
|---|