OT-2026-000004236
Publication integrity record
Vacuum cup gripper, common isolation valve, four outlet manifold, pump fed
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-2026-000004236) never changes.
Identity and time
| Publication number | OT-2026-000004236 · never reused |
|---|---|
| Internal UUID | 01a0a911-f3c2-7272-96db-f6894c5956c2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:15:21.157240Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004236 |
| Status | PUBLIC |
Content hashes
| Canonical text | 574e9b449ca9176bfe9ec2f422fb8fcd1b9e50f1ecd909b96445bbf3ce0e1b64 |
|---|---|
| Markdown | c98c2818e83897e473e375ad43a5d3447073baea1b78617472713532193a4524 |
| Publication page | 0e74085029319c965351b6b1a4257ce3cdd6e81cc172ca39b02f2a413b636d3b |
| Manifest | 216c663bed5bfcf2a0f86ac7c8df7ab946dc961ccafb34777684446b28121c5f |
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 | v32Tok4vgZ4/ou6sSHk2NEdaa8qCqjAAByUflmznadgl08p/DU3MtgD9Ghy4Xfnxss1ez+0WjET8oGR+hQQlCA== |
| 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
| 2026-09-16T07:20:20.742688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004236observed 0e74085029319c965351b6b1a4257ce3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:20.727154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004236/manifest.jsonobserved 216c663bed5bfcf2a0f86ac7c8df7ab9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:20.712263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004236/publication.mdobserved c98c2818e83897e473e375ad43a5d344...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:20.695942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004236/publication.txtobserved 574e9b449ca9176bfe9ec2f422fb8fcd...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. |
|---|