OT-2026-000004030
Publication integrity record
Porous face vacuum gripper, common isolation valve, six 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-2026-000004030) never changes.
Identity and time
| Publication number | OT-2026-000004030 · never reused |
|---|---|
| Internal UUID | 01a0a90c-f5a3-71f5-8107-d12d99642517 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:53.957800Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004030 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5a3c5c1b565c7a89adaefacfb3e4592af638ed0b861a45c07bcc8d725db721c0 |
|---|---|
| Markdown | 6ae48235e8ba28526352630acc8bf022e8565fab4129932e418cdb3de2679482 |
| Publication page | 9396aee83e5b0bf46dff20e817b64ca86d7cd63a0ab320b84a7dfe05645d7250 |
| Manifest | 3402910153216519393824872e64024c89cf2804537aafccfb02fbbf4c1d23a3 |
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 | DsMGNydliKqdtdeHWRWztwqGt9cw5SLn8+497z01Ue69m/+5lN06FVxqQkspsPwDtIa3FlRD9AzcRcRuVr8VCQ== |
| 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
| 2026-09-16T07:10:05.213676Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004030observed 9396aee83e5b0bf46dff20e817b64ca8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:05.200396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004030/manifest.jsonobserved 3402910153216519393824872e64024c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:05.185144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004030/publication.mdobserved 6ae48235e8ba28526352630acc8bf022...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:05.171083Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004030/publication.txtobserved 5a3c5c1b565c7a89adaefacfb3e4592a...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. |
|---|