OT-2026-000004855
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, three outlet manifold, pump 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-2026-000004855) never changes.
Identity and time
| Publication number | OT-2026-000004855 · never reused |
|---|---|
| Internal UUID | 01a0a925-7ad5-70f5-8af4-06f84a729e8b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:36:40.921503Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004855 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8233b5b1810fc189260c220b47274e8edc52a20419900e7130348a2712a24a21 |
|---|---|
| Markdown | eaf37776a692624b6d2dfcae92095cdf5bfc02edd4683371c71a4e33bf5b638d |
| Publication page | 307232fa26a47a3e4bf59815262f62a9f4f4fc3fc10aa853fa38b9de56c1d054 |
| Manifest | 947cc56343b15e1469fd48a6fb56f1fe0e05c7e43bb15117da3565b326dd9f26 |
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 | qSz5/oyn2j+gAv/orNnw+plElPWcOY3pn8o7V1Jx/cBAOerNEnMRZurDHiu46TjV4WteWRo/bXEN+GlYi4iuCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:11.718029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004855observed 307232fa26a47a3e4bf59815262f62a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:11.705752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004855/manifest.jsonobserved 947cc56343b15e1469fd48a6fb56f1fe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:11.691959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004855/publication.mdobserved eaf37776a692624b6d2dfcae92095cdf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:11.679904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004855/publication.txtobserved 8233b5b1810fc189260c220b47274e8e...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. |
|---|