OT-2026-000021745
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000021745) never changes.
Identity and time
| Publication number | OT-2026-000021745 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7d89-8754-29d6bb240997 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021745 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2c96a4a6e48237c265360546b2a7f9e0836900b5d9815ed94c8da76bfe47cdfb |
|---|---|
| Markdown | c21a21cddac51ac213c210b9f830d7f303dc3796fe0698425f9870aca09f274d |
| Publication page | 2570165e92e9bea4654f4a29a82ef9d93387c5f40a7657869613649fdae26a49 |
| Manifest | 2ffe00b9151768c37d588eadba6f49195b8853644b284cb796d05735de459d22 |
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 | eXg9wzFO8kH+t3XF/2FhRsl7Ckr0nscz4URp0CUOkIdP9kXefPI0wkLcKIIHqTjA/zvwB78zLOgkbf8RY9PsBA== |
| 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
| 2026-09-17T08:41:05.524052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021745observed 2570165e92e9bea4654f4a29a82ef9d9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:41:04.981733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021745/manifest.jsonobserved 2ffe00b9151768c37d588eadba6f4919...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:41:04.324842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021745/publication.mdobserved c21a21cddac51ac213c210b9f830d7f3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:41:03.993492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021745/publication.txtobserved 2c96a4a6e48237c265360546b2a7f9e0...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
| Custody package | Pending Custody packages are produced weekly. |
|---|