OT-2026-000004134
Publication integrity record
Vacuum cup gripper, per zone isolation, six outlet manifold, plant vacuum fed, pressure verified
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-2026-000004134) never changes.
Identity and time
| Publication number | OT-2026-000004134 · never reused |
|---|---|
| Internal UUID | 01a0a90f-5f92-7384-8bf8-f6132dad991f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:32.149141Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004134 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7dba1d9be7b60afb5581c43d81f1948d0a6da8890760fbf21ea921898bf93983 |
|---|---|
| Markdown | 50e5e63b5a20e8d88ef62c3f6f2c687a6b1cf453826db705535baeca94b62556 |
| Publication page | d7d1425e7a72c97b6e46cae85d19c3a18d488b038bbd01d75e819208d0236f75 |
| Manifest | e43e492b9e6b962578485dc7c359c36960c3764f0fd44b3105646baed3f1bdb6 |
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 | +d4uOQCF6qEyJhhXquOom3XNUWImfzMST7U0BpDb6xOggXp2jUOHmWNpzrs0lZTMWy53Dd8Fx+sjEb1OtDvFDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:32.703588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004134observed d7d1425e7a72c97b6e46cae85d19c3a1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:32.690596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004134/manifest.jsonobserved e43e492b9e6b962578485dc7c359c369...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:32.677705Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004134/publication.mdobserved 50e5e63b5a20e8d88ef62c3f6f2c687a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:32.661476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004134/publication.txtobserved 7dba1d9be7b60afb5581c43d81f1948d...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. |
|---|