OT-2026-000004575
Publication integrity record
Vacuum cup gripper, two outlet manifold, plant vacuum fed, pressure verified at each zone
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-2026-000004575) never changes.
Identity and time
| Publication number | OT-2026-000004575 · never reused |
|---|---|
| Internal UUID | 01a0a91c-757d-7191-bf71-6f57b0802844 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:26:49.728316Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004575 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4b5e8420fd57af95cb72e07595ba934ea526b46d83571c43e3e57aba0a640bed |
|---|---|
| Markdown | 743bb66c3666cdf0ee480413a009b1aa0079dad745eebf9f3962d1f3ce6aaf7c |
| Publication page | 200c690eeac4b6f2e81482301f0f498a8ad13f3e2dc2811a4c684e4651d467f0 |
| Manifest | 433eed758fa96bcc79a3fba7b6b75a26317ec0fc9c35af9bdcf9fa44d1b2a861 |
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 | VdskM4NM4JjDbuB5F8Xm/pztvXSippdaYz3GL0muiSiH+cWbwC0GM3H9Y2TnYFxI1Jy/BXUHhE3Lkgh13MyfAQ== |
| 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
| 2026-09-16T07:30:13.198945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004575observed 200c690eeac4b6f2e81482301f0f498a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:13.187932Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004575/manifest.jsonobserved 433eed758fa96bcc79a3fba7b6b75a26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:13.176302Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004575/publication.mdobserved 743bb66c3666cdf0ee480413a009b1aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:13.163172Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004575/publication.txtobserved 4b5e8420fd57af95cb72e07595ba934e...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. |
|---|