OT-2026-000066730
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000066730) never changes.
Identity and time
| Publication number | OT-2026-000066730 · never reused |
|---|---|
| Internal UUID | 01a0ae8e-ce42-71bc-9c87-45b62907cf16 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:49:49.649149Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000066730 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7a17543b1076f6c3a507639ef44c24f92068cf4a4be62c816515bacf54498043 |
|---|---|
| Markdown | 13635bd0c75d834b6a6a4baeb49739070c739567a7a19dfb4852c4dc04cbee7a |
| Publication page | 688673cda6b0ac3d6d65f38965945e2c6ab2401b412951e65bb866dbca28d233 |
| Manifest | 29dd24b5ea9cbdad315363d6f35885044b101b2fe4ade3541a8ab6da250be8d2 |
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 | 1rf8cpoVOveTXTFjjMU5AFmaWGYK8CDkono8n75N7XxScLoyQNJYcnnACX49XfBv5SE+J5BTylIzvzSk4f/4CA== |
| 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
| 2026-10-13T12:41:58.550120Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066730observed 688673cda6b0ac3d6d65f38965945e2c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T12:41:58.488017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066730/manifest.jsonobserved 29dd24b5ea9cbdad315363d6f3588504...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T12:41:58.434745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066730/publication.mdobserved 13635bd0c75d834b6a6a4baeb4973907...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T12:41:58.348415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066730/publication.txtobserved 7a17543b1076f6c3a507639ef44c24f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T00:41:16.347288Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066730observed 688673cda6b0ac3d6d65f38965945e2c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T00:41:16.297138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066730/manifest.jsonobserved 29dd24b5ea9cbdad315363d6f3588504...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T00:41:16.241406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066730/publication.mdobserved 13635bd0c75d834b6a6a4baeb4973907...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T00:41:16.175470Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066730/publication.txtobserved 7a17543b1076f6c3a507639ef44c24f9...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 |
|---|