OT-2026-000036907
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000036907) never changes.
Identity and time
| Publication number | OT-2026-000036907 · never reused |
|---|---|
| Internal UUID | 01a0ae77-773f-7366-81b9-43eba19df105 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:24:20.049316Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000036907 |
| Status | PUBLIC |
Content hashes
| Canonical text | 73831765b75493cb1ce28e1e0d37abf19d3c71abedd58cabf793efe9949a52a6 |
|---|---|
| Markdown | 8fd7b0ab2835d2cbf69ad09ab8b6931594078ff5672f5652e0c9c0f494a2bf1e |
| Publication page | 9e29391573163f35b73409eecea386db596552c6ec64d5f5c87122caf72659a0 |
| Manifest | a3363a15b1f91c030190d09243be4ffcd1ca1e9461f6af837d2895a6d8cc1e4e |
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 | R5WehuXNNHPcfa5oGWvvgnr+55fcP2IdY96Bnv8tUdEEJ61ti5lfI7u+tRroO4a4tE0470gk3OUh1ftKD7d/DA== |
| 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
| 2026-10-03T12:41:48.415734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000036907observed 9e29391573163f35b73409eecea386db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-03T12:41:48.316197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000036907/manifest.jsonobserved a3363a15b1f91c030190d09243be4ffc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T12:41:48.241856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000036907/publication.mdobserved 8fd7b0ab2835d2cbf69ad09ab8b69315...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T12:41:48.148936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000036907/publication.txtobserved 73831765b75493cb1ce28e1e0d37abf1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:43:06.393319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000036907observed 9e29391573163f35b73409eecea386db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:43:06.128403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000036907/manifest.jsonobserved a3363a15b1f91c030190d09243be4ffc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:43:05.644166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000036907/publication.mdobserved 8fd7b0ab2835d2cbf69ad09ab8b69315...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:43:05.112228Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000036907/publication.txtobserved 73831765b75493cb1ce28e1e0d37abf1...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 |
|---|