OT-2026-000075894
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000075894) never changes.
Identity and time
| Publication number | OT-2026-000075894 · never reused |
|---|---|
| Internal UUID | 01a0ae94-29ff-7fe4-a472-48a3e0ef91e9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075894 |
| Status | PUBLIC |
Content hashes
| Canonical text | d24d8272253fd13bbc800d91dd917b29b6c223e32c2a4c5743ed20a993d04681 |
|---|---|
| Markdown | 293de6b2f93b99f8ccea9a96479c3b614263d920ec1f5c01031c098ecea657b5 |
| Publication page | 00beaa6f11adf3ca5f5d6ef225909b47476c5851334342ad3f42fad427c086eb |
| Manifest | 5b1efcba2aeca56feef8a46a3d5ef9c293dbfed235fa9531e4f3cb17bcfa2002 |
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 | r4opSiLs4n1cI5QBU5IE+h/25QhI9SMWmS3y0qlpbBJjJonhp8gR9FRC/PljFEU3Y6JZfpmHELa6TC7F5grLCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-26T16:41:32.310897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075894observed 00beaa6f11adf3ca5f5d6ef225909b47...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T16:41:32.201748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075894/manifest.jsonobserved 5b1efcba2aeca56feef8a46a3d5ef9c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T16:41:32.139747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075894/publication.mdobserved 293de6b2f93b99f8ccea9a96479c3b61...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T16:41:32.046391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075894/publication.txtobserved d24d8272253fd13bbc800d91dd917b29...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:23.457903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075894observed 00beaa6f11adf3ca5f5d6ef225909b47...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:23.384216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075894/manifest.jsonobserved 5b1efcba2aeca56feef8a46a3d5ef9c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:23.310154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075894/publication.mdobserved 293de6b2f93b99f8ccea9a96479c3b61...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:23.225483Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075894/publication.txtobserved d24d8272253fd13bbc800d91dd917b29...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 |
|---|