OT-2026-000003990
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, pump 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-2026-000003990) never changes.
Identity and time
| Publication number | OT-2026-000003990 · never reused |
|---|---|
| Internal UUID | 01a0a90c-7a72-7acb-964e-4008ce7e6f35 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:22.421129Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003990 |
| Status | PUBLIC |
Content hashes
| Canonical text | df8d10b58e2a3443effdbe1d9c99474ec1b37b248f7356215dd0157740413e38 |
|---|---|
| Markdown | 6ced09759e9d698ea1b8ee6a307d202ed1abc6427fc68d64345085526d76d20f |
| Publication page | 625f2d609be36251b679f63d1f4c1651d67d326a3986ba22094c5ebdaf4b75e0 |
| Manifest | 7a24623950a019a0459aea4ba8702b9562048ce16491fc2f534ebfe653a30148 |
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 | gbSVuuo9zwJgWWxktEtaBYhPvsv2UNp5jlr/9ULrsyuaAKghu+vgoGKk/28yOv3ciCYPMemuBezWTayjC20yCA== |
| 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
| 2026-09-16T07:10:07.780163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003990observed 625f2d609be36251b679f63d1f4c1651...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:07.765670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003990/manifest.jsonobserved 7a24623950a019a0459aea4ba8702b95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.750905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003990/publication.mdobserved 6ced09759e9d698ea1b8ee6a307d202e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.736148Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003990/publication.txtobserved df8d10b58e2a3443effdbe1d9c99474e...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. |
|---|