OT-2026-000028815
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off before set-down, on a tool changer
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-2026-000028815) never changes.
Identity and time
| Publication number | OT-2026-000028815 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7e78-90b1-f5794c331b92 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028815 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7bce0bb7436b7462ab5afd8c55b05f0b9c525060f6253d04b7bfc1a1003e6a39 |
|---|---|
| Markdown | 718cf33983363bcaacc954f56b46bd8d7435dc72f168c5b39fc1f3649fc894eb |
| Publication page | cbc04ded2222cb1a05d48e9e3b387bab70f26cd0b883cdba2621bd2b3c3000db |
| Manifest | 84d1e86dd5446f99402bc190fbdf73d367f1c0db5c99b09fc9487006da870620 |
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 | 9D/HswZkEzBFxbPcrj+Z2M2fMCHwIlkofP5Otv4fXAm6y1ma4zY+76+Xm6F7cNxI6+AvYsIxzT+O3t6xBXfpDg== |
| 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
| 2026-09-17T11:40:04.721581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028815observed cbc04ded2222cb1a05d48e9e3b387bab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:04.704110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028815/manifest.jsonobserved 84d1e86dd5446f99402bc190fbdf73d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:04.687424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028815/publication.mdobserved 718cf33983363bcaacc954f56b46bd8d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:04.663132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028815/publication.txtobserved 7bce0bb7436b7462ab5afd8c55b05f0b...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. |
|---|