OT-2026-000030025
Publication integrity record
Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000030025) never changes.
Identity and time
| Publication number | OT-2026-000030025 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac49-73f2-b8de-4b9e0958d173 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030025 |
| Status | PUBLIC |
Content hashes
| Canonical text | 819ccd3c848e6fbf05cf445d087b780fc6ccf10ddb71102c144a4edeed3993bc |
|---|---|
| Markdown | ffd5ae203f1211d2c5830ae047d27a3e58d32d074015388aa021cdf22cf4a9d0 |
| Publication page | 549d94dae284f8c1f57427a92147f88cb6c904f8115df4ce3a4f8c73f7d52911 |
| Manifest | 89c2afcfe2e5a02be722b91856c91324b618bbeb9a6fc1063467322150473637 |
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 | rouswSoXZBOg5hak8e10dCuAw/PwBrOLgofaiPxhPTDTmN6hBWvNclkYL+09f3gSb0wyLebSiH1aOe7QS5LXDQ== |
| 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
| 2026-10-31T04:41:37.419820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030025observed 549d94dae284f8c1f57427a92147f88c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T04:41:37.362210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030025/manifest.jsonobserved 89c2afcfe2e5a02be722b91856c91324...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:37.308635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030025/publication.mdobserved ffd5ae203f1211d2c5830ae047d27a3e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:37.250699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030025/publication.txtobserved 819ccd3c848e6fbf05cf445d087b780f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T12:42:03.411170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030025observed 549d94dae284f8c1f57427a92147f88c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T12:42:03.343204Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030025/manifest.jsonobserved 89c2afcfe2e5a02be722b91856c91324...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T12:42:03.264147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030025/publication.mdobserved ffd5ae203f1211d2c5830ae047d27a3e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T12:42:03.177087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030025/publication.txtobserved 819ccd3c848e6fbf05cf445d087b780f...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 |
|---|