OT-2026-000038968
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000038968) never changes.
Identity and time
| Publication number | OT-2026-000038968 · never reused |
|---|---|
| Internal UUID | 01a0ae78-76a0-71f4-b14c-8e46b64e55b4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:25:25.422407Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000038968 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4759e189228675c1a5d0cad8c762ac6da407f4db471e64eefd7c1ba74b6b7acc |
|---|---|
| Markdown | 116ca49221a7e898c607b3367b425ffd831b872ce4a5d4985e5319c7091c85f4 |
| Publication page | d53e20bea1ca489c7d7e10540c71cd096cb8ca194813fbd3664ec218ce01587f |
| Manifest | d05300cb5210e8b49fcce7ceae4d5853d64c22a18e9b23854434d2a68ea34621 |
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 | W5e6GmzFtcQjAzsbA5LooYKktP1RGgoC+7bre9mL2FzakXsmZ7BJQYeNAmwn3NsJv1QKvdSX1VkOOmdPV67mCg== |
| 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
| 2026-10-31T00:42:00.173712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038968observed d53e20bea1ca489c7d7e10540c71cd09...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T00:42:00.103737Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038968/manifest.jsonobserved d05300cb5210e8b49fcce7ceae4d5853...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T00:42:00.032774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038968/publication.mdobserved 116ca49221a7e898c607b3367b425ffd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T00:41:59.961465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038968/publication.txtobserved 4759e189228675c1a5d0cad8c762ac6d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:41:38.863356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038968observed d53e20bea1ca489c7d7e10540c71cd09...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:41:38.695367Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038968/manifest.jsonobserved d05300cb5210e8b49fcce7ceae4d5853...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:41:38.591232Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038968/publication.mdobserved 116ca49221a7e898c607b3367b425ffd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:41:38.471486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038968/publication.txtobserved 4759e189228675c1a5d0cad8c762ac6d...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 |
|---|