OT-2026-000020297
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000020297) never changes.
Identity and time
| Publication number | OT-2026-000020297 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-71d8-8b2f-28449eeff0c0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020297 |
| Status | PUBLIC |
Content hashes
| Canonical text | b1ad91b499abaa33cdcfb7eb145df0072f9ad421ef8eef951b0ae999d81c58db |
|---|---|
| Markdown | ad44ebcf088885d0d484877b0e44ab23464b75fae987fb7c7b92a095ea2f5bec |
| Publication page | cce4cc94c8d40427700caae8adfebb2bed185b765aa0a4ed9989ec4a30698958 |
| Manifest | e9339eedeaf88034499aa0efceaded1bb6ec813fbdde95b286e56851f0af1f5d |
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 | OrCQh/o01Wjenlnj5zUt1O9+ju4WenxZ6llkaaiMPN27Hzx9cE6jW1BM2+oT9sp9fe6XzMuvoUQFhIdMziI6Cg== |
| 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
| 2026-09-17T11:56:39.657753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020297observed cce4cc94c8d40427700caae8adfebb2b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:39.640298Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020297/manifest.jsonobserved e9339eedeaf88034499aa0efceaded1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:39.622219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020297/publication.mdobserved ad44ebcf088885d0d484877b0e44ab23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:39.601205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020297/publication.txtobserved b1ad91b499abaa33cdcfb7eb145df007...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. |
|---|