OT-2026-000004285
Publication integrity record
Vacuum cup gripper, common isolation valve, three outlet manifold, pump fed, pressure verified, rubber cups
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-2026-000004285) never changes.
Identity and time
| Publication number | OT-2026-000004285 · never reused |
|---|---|
| Internal UUID | 01a0a913-2977-79ca-93d5-d1bd8e5a1a42 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:40.446016Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004285 |
| Status | PUBLIC |
Content hashes
| Canonical text | 33151a0cdc2f55db4d3cfaa33d5a81602edf3ededf2eb27b13d194e3f900937f |
|---|---|
| Markdown | bac31906743a4679950b5310c6aed6cacc3b90dcb003c70fd1190ccddb209bf3 |
| Publication page | 6536170368112e13ebddd7f308e870fe8bb7be89f59cf02f4ae1256647156ba5 |
| Manifest | bdb0805b97737c981f4ef4a228288f0ac2fc0afc50f9a1cb8c918439869546cd |
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 | e90EwXD4g4M9tnAVhVAtYmYAgK9OY9kfLVTLeU+KHk7ORapKCvbzv6cyPNSt7Jj/XYUbCMxCZ7AVZDXCM7ikCg== |
| 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
| 2026-09-16T07:20:15.197088Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004285observed 6536170368112e13ebddd7f308e870fe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:15.183492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004285/manifest.jsonobserved bdb0805b97737c981f4ef4a228288f0a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:15.170200Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004285/publication.mdobserved bac31906743a4679950b5310c6aed6ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:15.155431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004285/publication.txtobserved 33151a0cdc2f55db4d3cfaa33d5a8160...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. |
|---|