OT-2026-000004393
Publication integrity record
Vacuum cup gripper, per zone isolation, three outlet manifold, 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-2026-000004393) never changes.
Identity and time
| Publication number | OT-2026-000004393 · never reused |
|---|---|
| Internal UUID | 01a0a916-23f3-7ff9-9b85-9abd9e2623bf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:19:55.638290Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004393 |
| Status | PUBLIC |
Content hashes
| Canonical text | 81be1a690c649bf71e1558f7b87a7c64c645bc594cd8f15ae3402c4f2a4672a8 |
|---|---|
| Markdown | 715478cf164f8b2ffa5a75e68a84d97f63d14acfb4b3612046a29c03775e0f38 |
| Publication page | 0a05ed36eaa947ef4b14ad54288aa13e373822796cb715749786d34e88636054 |
| Manifest | 1f63e0fdc24bfa2b4391a6972b78521566686b29afd7333847cc4cdfe3874630 |
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 | 4tbnxbg2XrMWhFMpEaf2V7+lzHCNMi9M7ceTMsZcP9mW4nHjmaEPX3jhI1UTbgIC2cEDiQGRw4f29V5d6AF+BA== |
| 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
| 2026-09-16T07:20:02.915610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004393observed 0a05ed36eaa947ef4b14ad54288aa13e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:02.902229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004393/manifest.jsonobserved 1f63e0fdc24bfa2b4391a6972b785215...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:02.890290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004393/publication.mdobserved 715478cf164f8b2ffa5a75e68a84d97f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:02.876751Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004393/publication.txtobserved 81be1a690c649bf71e1558f7b87a7c64...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. |
|---|