OT-2026-000030188
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000030188) never changes.
Identity and time
| Publication number | OT-2026-000030188 · never reused |
|---|---|
| Internal UUID | 01a0ae73-e500-7c7c-bc9f-a7d6327b7b11 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:26.007257Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030188 |
| Status | PUBLIC |
Content hashes
| Canonical text | 39c9a223af4544f2cc2e66db2f8a15b4cc07653d052164f297480be01d7bf27f |
|---|---|
| Markdown | c3af7e0aed08feebca06faf9fccb5fbf1481d1318dc9f42f98d9d69916abf2ac |
| Publication page | 26db67e94dd6396770920421ed08fb4f843ebc6ebc8052ed22b93578b39d3945 |
| Manifest | 529747bdcde407d25ace5215fec0cce55e9933494fb9c874baad689409b2de9f |
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 | +JLKRng7C9h5Ae5yyiUDh312Wc9Rf77JkJv6bK0e13yp8s54DUz4JLEOKjbDvpixjs7r1wwnIbnWu4TstsFsAg== |
| 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
| 2026-10-20T20:41:45.136049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030188observed 26db67e94dd6396770920421ed08fb4f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T20:41:45.063564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030188/manifest.jsonobserved 529747bdcde407d25ace5215fec0cce5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:44.989914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030188/publication.mdobserved c3af7e0aed08feebca06faf9fccb5fbf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:44.895796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030188/publication.txtobserved 39c9a223af4544f2cc2e66db2f8a15b4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:42:06.561804Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030188observed 26db67e94dd6396770920421ed08fb4f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:42:06.113747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030188/manifest.jsonobserved 529747bdcde407d25ace5215fec0cce5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:42:05.622224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030188/publication.mdobserved c3af7e0aed08feebca06faf9fccb5fbf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:42:05.185360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030188/publication.txtobserved 39c9a223af4544f2cc2e66db2f8a15b4...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 |
|---|