OT-2026-000004809
Publication integrity record
Bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure verified
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-2026-000004809) never changes.
Identity and time
| Publication number | OT-2026-000004809 · never reused |
|---|---|
| Internal UUID | 01a0a924-07bc-7dd9-a23f-125f66ca6a88 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:35:05.918780Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004809 |
| Status | PUBLIC |
Content hashes
| Canonical text | ec22024efb3b9e620634463ed76b8e987805f8d1cc523047da573483c4c326e6 |
|---|---|
| Markdown | 53f9f150f9ca5f55ad2adfafae38ccae9f0f20e4c0ecc5d40b614bbc7a9e99f2 |
| Publication page | f8b73d7ac3469cf4d5106474d0e68d80f0fd1bb3001e52c1f35d202907e73042 |
| Manifest | 9f9b045e9fe0451f9c9607aa366fe3581d0448afa391b52fd753a1ab897ad282 |
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 | 0JBLui7MiGgZy6/JLlCxfjgQQMM33BYWT18hKS0G97qqzUdbiHBm+Lko89duJlIEgy15SA+QYuWQ2lYARJjBAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:16.697964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004809observed f8b73d7ac3469cf4d5106474d0e68d80...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:16.686230Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004809/manifest.jsonobserved 9f9b045e9fe0451f9c9607aa366fe358...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:16.673241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004809/publication.mdobserved 53f9f150f9ca5f55ad2adfafae38ccae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:16.659731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004809/publication.txtobserved ec22024efb3b9e620634463ed76b8e98...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. |
|---|