OT-2026-000077788
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000077788) never changes.
Identity and time
| Publication number | OT-2026-000077788 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ed0-73ca-82a9-143a816c8199 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077788 |
| Status | PUBLIC |
Content hashes
| Canonical text | 547da487860eb7c01b594996d6bed579c97cd38b29b65ea85075d3032d6e5d52 |
|---|---|
| Markdown | edb3d493686e98868d35cd23e214d6f8540f04d3d5d27b3efdafdd772f14d7bb |
| Publication page | 8a68787398e76f1eefdd7684a969e45015cafb94580a6e70baa804ce87386058 |
| Manifest | dbac5e1e99c27a56bbdb9e91d51e26e8d31cc41a2c804ed95c76c84515fe1765 |
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 | +tynN9IMqATCckJnZkH0gukwPk5nB7qc8MF293FCfe1aM3cyMsoCuGgI/gP2cnd3eJGnIxK842KtqtlVH0jOAg== |
| 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
| 2026-10-20T12:41:53.001750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077788observed 8a68787398e76f1eefdd7684a969e450...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T12:41:52.949161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077788/manifest.jsonobserved dbac5e1e99c27a56bbdb9e91d51e26e8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:52.883699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077788/publication.mdobserved edb3d493686e98868d35cd23e214d6f8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:52.815286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077788/publication.txtobserved 547da487860eb7c01b594996d6bed579...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:16.791448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077788observed 8a68787398e76f1eefdd7684a969e450...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:16.651801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077788/manifest.jsonobserved dbac5e1e99c27a56bbdb9e91d51e26e8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:16.586897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077788/publication.mdobserved edb3d493686e98868d35cd23e214d6f8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:16.499643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077788/publication.txtobserved 547da487860eb7c01b594996d6bed579...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 |
|---|