OT-2026-000006307
Publication integrity record
Vacuum cup gripper, pump fed, pressure verified, contact triggered, sustained blow off before set down
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-2026-000006307) never changes.
Identity and time
| Publication number | OT-2026-000006307 · never reused |
|---|---|
| Internal UUID | 01a0a956-4ee8-7c7d-8136-0ef147302630 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:30:00.940705Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006307 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3eaa8b0d36ae6bb71db6f1fba4a11a60c4e53800fca5a5e2ea5331dec1235b43 |
|---|---|
| Markdown | 033ac854f0371baf7da0bf99ac9e98d61cc2c71787ba106a3cfe820a3e3e0a0b |
| Publication page | 6749163754c50d8630b5f8f927f10ca7975cb7c0ba4abb4d5dc98514f0e4e3f1 |
| Manifest | a9dc036513850cc646fef2ecd1f1f39a0b82c166fb61249041b2ec25772e0105 |
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 | m8BBvRrQ/8F2YQ/N6qp3kZTL/Mgrx6PHidm5ET78Wjy4xYkEq3zTVaMsOX392pjB524D7WzEXG06z1yEvyw2AA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-10-01T12:42:09.425811Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006307observed 6749163754c50d8630b5f8f927f10ca7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-01T12:42:09.354767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006307/manifest.jsonobserved a9dc036513850cc646fef2ecd1f1f39a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T12:42:09.284353Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006307/publication.mdobserved 033ac854f0371baf7da0bf99ac9e98d6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T12:42:09.100484Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006307/publication.txtobserved 3eaa8b0d36ae6bb71db6f1fba4a11a60...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:41:47.262110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006307observed 6749163754c50d8630b5f8f927f10ca7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:41:47.047914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006307/manifest.jsonobserved a9dc036513850cc646fef2ecd1f1f39a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:41:46.799435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006307/publication.mdobserved 033ac854f0371baf7da0bf99ac9e98d6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:41:46.145933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006307/publication.txtobserved 3eaa8b0d36ae6bb71db6f1fba4a11a60...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 |
|---|