OT-2026-000042407
Publication integrity record
Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold 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-2026-000042407) never changes.
Identity and time
| Publication number | OT-2026-000042407 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d75-7b2a-94cd-f07f7af66328 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042407 |
| Status | PUBLIC |
Content hashes
| Canonical text | c2c7bc88f850377713b952ee15a8b957191d5afdc7291aed59500728d5a93f78 |
|---|---|
| Markdown | 53718ac4831c468ee7b617a34483bcdf0aaa00e1f748e6c7d2716e9b87b647fb |
| Publication page | 83a3784bf8e3cc30aa8088c85aafcb9b7a35b5d937abb6678a972bcd2afa8c22 |
| Manifest | f9f01397965b3d604c83d3ad8f9b35d784d2aedc4b8f0ffc1cb1dc8c714c6615 |
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 | 9sNNKSwJCwYIegv+Vyb7eH7rGeYd2pke37nizvhDOkGKjRxRQhsrlZgv1Qd/MALrvzkC88+I/RPLiXmI6wE3Cw== |
| 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
| 2026-11-03T00:42:18.066119Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042407observed 83a3784bf8e3cc30aa8088c85aafcb9b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T00:42:17.923823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042407/manifest.jsonobserved f9f01397965b3d604c83d3ad8f9b35d7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T00:42:17.776873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042407/publication.mdobserved 53718ac4831c468ee7b617a34483bcdf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T00:42:17.559356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042407/publication.txtobserved c2c7bc88f850377713b952ee15a8b957...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T20:41:26.993091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042407observed 83a3784bf8e3cc30aa8088c85aafcb9b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T20:41:26.917698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042407/manifest.jsonobserved f9f01397965b3d604c83d3ad8f9b35d7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T20:41:26.844391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042407/publication.mdobserved 53718ac4831c468ee7b617a34483bcdf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T20:41:26.741313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042407/publication.txtobserved c2c7bc88f850377713b952ee15a8b957...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 |
|---|