OT-2026-000034080
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000034080) never changes.
Identity and time
| Publication number | OT-2026-000034080 · never reused |
|---|---|
| Internal UUID | 01a0ae75-df0c-77cd-9797-99114fbd9662 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:22:35.550760Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000034080 |
| Status | PUBLIC |
Content hashes
| Canonical text | 492303ad5706814e33862916417f1314ece72416d4cf29504956478a95237d74 |
|---|---|
| Markdown | f17ac2ed23a1fbf6f628a96d5316e7b9dc131c14730b1d980e4c44a970a1ba20 |
| Publication page | 45173277b10e384c717947dd88792926f7bf433ec9ef5a4cfd48511f542555e2 |
| Manifest | b42f57d02fffe8164e9fb1eb730767d683cfc126b5ba0921fd0ad6082318da30 |
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 | auxKUljsdNXFZ6eEc8Vv3wnHhAfK0mLS4cJnIDiZ5asxLd20+tGjqyLcS13fq7iDw0DGj+WWDHFvgMj3nHRiDA== |
| 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
| 2026-10-06T08:41:17.038902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034080observed 45173277b10e384c717947dd88792926...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-06T08:41:16.949436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034080/manifest.jsonobserved b42f57d02fffe8164e9fb1eb730767d6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:16.827787Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034080/publication.mdobserved f17ac2ed23a1fbf6f628a96d5316e7b9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:16.753717Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034080/publication.txtobserved 492303ad5706814e33862916417f1314...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T12:41:35.039326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034080observed 45173277b10e384c717947dd88792926...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T12:41:34.931767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034080/manifest.jsonobserved b42f57d02fffe8164e9fb1eb730767d6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T12:41:34.742049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034080/publication.mdobserved f17ac2ed23a1fbf6f628a96d5316e7b9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T12:41:34.648648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034080/publication.txtobserved 492303ad5706814e33862916417f1314...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 |
|---|