OT-2026-000011702
Publication integrity record
Three finger electric gripper, 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-2026-000011702) never changes.
Identity and time
| Publication number | OT-2026-000011702 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1940-78ef-9e88-1d5047b9c616 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011702 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4945bb6e43c0161ba8e468a1da3bd2187266f077614fa5b713d6225a690f98c0 |
|---|---|
| Markdown | 50a76db58d3e988fa33e0ad7ab41ccd9facbb42f23dc0779ed40ba1a959486b2 |
| Publication page | cee326d7e94e9c9b65842699429faab39d8b1ec7ed1c92ffd1754972b9a3ab8f |
| Manifest | f0881a3145d4688cf865d01e28f2c8c5dc86848cfa24e0eea4b70b158f423199 |
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 | 7CHxfMdxpSeTp6JCfGrcHS/Bavu83e96b32LnzU1gkX6EKPeVTm0seSM928N1gV2u8IFDeRKvvh0AORV2CvoAw== |
| 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
| 2026-10-31T12:41:12.878968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011702observed cee326d7e94e9c9b65842699429faab3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T12:41:12.798174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011702/manifest.jsonobserved f0881a3145d4688cf865d01e28f2c8c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T12:41:12.741495Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011702/publication.mdobserved 50a76db58d3e988fa33e0ad7ab41ccd9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T12:41:12.621384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011702/publication.txtobserved 4945bb6e43c0161ba8e468a1da3bd218...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T16:41:09.556894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011702observed cee326d7e94e9c9b65842699429faab3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T16:41:09.497694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011702/manifest.jsonobserved f0881a3145d4688cf865d01e28f2c8c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T16:41:09.414288Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011702/publication.mdobserved 50a76db58d3e988fa33e0ad7ab41ccd9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T16:41:09.317602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011702/publication.txtobserved 4945bb6e43c0161ba8e468a1da3bd218...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 |
|---|