OT-2026-000020939
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000020939) never changes.
Identity and time
| Publication number | OT-2026-000020939 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-716b-8c1c-c3677e82a8ec · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020939 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8141ec4d411e2a4f4afb563b0bbcabf3ab804ab22457a7118544c45d5e0abef9 |
|---|---|
| Markdown | d8c9add260252046433c16d1c76f4f99206dd316c75b1ee23398f2be6181f301 |
| Publication page | dadbedb943a05d08668a1ae8fa555f067b8ae210e4c4961c44813365e5011a19 |
| Manifest | 41228cb518f1ad696a2d61d6fa92f6643531aed673de02c56b713f20667ec18d |
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 | 1DpbThh4YvLM/U8+pZpuJL6uPBoNz3+KTCPcmj9oYoJqMpUS/pG3DBS3BXzHPwfB8ftAVfHcSVzYYG/1C9edDA== |
| 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
| 2026-09-17T11:56:04.216446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020939observed dadbedb943a05d08668a1ae8fa555f06...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:04.197603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020939/manifest.jsonobserved 41228cb518f1ad696a2d61d6fa92f664...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:04.179195Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020939/publication.mdobserved d8c9add260252046433c16d1c76f4f99...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:04.162417Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020939/publication.txtobserved 8141ec4d411e2a4f4afb563b0bbcabf3...fetched by instance-3.rotem.ai from 34.69.0.72, 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. |
|---|