OT-2026-000028687
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pulsed 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-2026-000028687) never changes.
Identity and time
| Publication number | OT-2026-000028687 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-79fa-b648-5c1881cf940b · 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-2026-000028687 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8e0ed5e74a08ae08703e47bb5990be2bf0ea526b91ad594b5c9c08f1be1f0a88 |
|---|---|
| Markdown | b5dd1b661793653139ccc8a94e8336c5a9520f9414cbd50575b4746e28450b8f |
| Publication page | b50dabcbce84d2ac4502a670eee51ce43b291884cf79513a22d24508354bd796 |
| Manifest | cbc7716394f0f91b7ec198d4697ef59b77f1e6d23d65d94be2cb3ed65dda7d69 |
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 | RW7q3JBz24KcOeuefNLoAVak9ZxdCPezWi3TjO/9pogpM/VE7nrQNJqS/5bUH/GE+K5BH8pMhmCe6tEgwT3IDg== |
| 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
| 2026-09-17T11:41:34.790351Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028687observed b50dabcbce84d2ac4502a670eee51ce4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:34.771576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028687/manifest.jsonobserved cbc7716394f0f91b7ec198d4697ef59b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:34.752146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028687/publication.mdobserved b5dd1b661793653139ccc8a94e8336c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:34.731029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028687/publication.txtobserved 8e0ed5e74a08ae08703e47bb5990be2b...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. |
|---|