OT-2026-000021509
Publication integrity record
Two cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off before set-down
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-2026-000021509) never changes.
Identity and time
| Publication number | OT-2026-000021509 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7a6e-bb36-6b5b21f8960f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021509 |
| Status | PUBLIC |
Content hashes
| Canonical text | f6706e499eafdd46cef17177424678f8f0c14f557f3b37f326daac8b2b509bc8 |
|---|---|
| Markdown | 56e216435dd5774086f8a19ddb0955f3fbae53316a1c5d300df15e35c2d39ac5 |
| Publication page | 74241e5d9627334c942876690e36f051e0987fcb03cef5fb4cc86082efa44670 |
| Manifest | f6a4e549d79709f0782208419466043af4fe4b7d1b98c1c49b81f5034c495753 |
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 | GI+JFpWF7QCxKU/q2pkU1L2qoHmjxJc4VwB7X7tefmfKtali7LC4DFPV1ahkKLzt+XuPazY/X7OaA0MgtGvjAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:55:25.618769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021509observed 74241e5d9627334c942876690e36f051...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:25.601706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021509/manifest.jsonobserved f6a4e549d79709f0782208419466043a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:25.586162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021509/publication.mdobserved 56e216435dd5774086f8a19ddb0955f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:25.562983Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021509/publication.txtobserved f6706e499eafdd46cef17177424678f8...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. |
|---|