OT-2026-000025877
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000025877) never changes.
Identity and time
| Publication number | OT-2026-000025877 · never reused |
|---|---|
| Internal UUID | 01a0ae71-a83e-7ece-b99b-9d97a00bca65 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:17:59.376802Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000025877 |
| Status | PUBLIC |
Content hashes
| Canonical text | 112bf92e67ead06ef4eb191771bcee49ff069584194d79a5ce1446dae985c05c |
|---|---|
| Markdown | 776aa3a3d94299057e9226f9ed38219cbc6f62eee71c236249fa154c89170745 |
| Publication page | 95e011b617d97571efb8d555bc973eb5cd53800ab9d57ddbfef4371ca748a0b3 |
| Manifest | 2923d8977ba0b7b08f2b694c4b38fa9bf08b0bf1ded9b23e21cfa1d8e2dd9e14 |
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 | jCVr6KxR/U+6aK3Zh2kAHu4l41o+Riy4WY7iIhFAfT7BwZN44qTsKqUCo5roG5y4UzBwkWUySGTMWi/fYes+Bw== |
| 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
| 2026-10-27T16:41:13.618280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025877observed 95e011b617d97571efb8d555bc973eb5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T16:41:13.533785Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025877/manifest.jsonobserved 2923d8977ba0b7b08f2b694c4b38fa9b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T16:41:13.457738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025877/publication.mdobserved 776aa3a3d94299057e9226f9ed38219c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T16:41:13.321230Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025877/publication.txtobserved 112bf92e67ead06ef4eb191771bcee49...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:56.564000Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025877observed 95e011b617d97571efb8d555bc973eb5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:56.483479Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025877/manifest.jsonobserved 2923d8977ba0b7b08f2b694c4b38fa9b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:56.346063Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025877/publication.mdobserved 776aa3a3d94299057e9226f9ed38219c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:56.261929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025877/publication.txtobserved 112bf92e67ead06ef4eb191771bcee49...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 |
|---|