OT-2026-000028728
Publication integrity record
Two bellows 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-2026-000028728) never changes.
Identity and time
| Publication number | OT-2026-000028728 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-71bd-a494-098fdf60b44b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028728 |
| Status | PUBLIC |
Content hashes
| Canonical text | 67be014033cb1db9e5c99113d2310b067d03000067a2bb2574108c16038e0067 |
|---|---|
| Markdown | 0eef09e881fbc2754066d8a795a0b22fd0ac97d9b876bd609c55143513930071 |
| Publication page | 9683f138736a96da1fecd4ba68ccc0295d17f9caf4a19f6514cf62c6dc2725a8 |
| Manifest | 6e1677aa892789ba5d224e021f64a2d7ebe0a4fa4d861aa6aab68d81803749f1 |
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 | WLKBDBtlfRByERYQs9n7oJWAmYKVu6QNrJzgRdnEu3K1Qf+E6j6ybpphCJstDxDmgYO4bpQS1i1obByx4nCKAg== |
| 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
| 2026-09-17T11:41:44.367981Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028728observed 9683f138736a96da1fecd4ba68ccc029...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:44.347520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028728/manifest.jsonobserved 6e1677aa892789ba5d224e021f64a2d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:44.327331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028728/publication.mdobserved 0eef09e881fbc2754066d8a795a0b22f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:44.310185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028728/publication.txtobserved 67be014033cb1db9e5c99113d2310b06...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. |
|---|