OT-2026-000077199
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000077199) never changes.
Identity and time
| Publication number | OT-2026-000077199 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f508-7105-856a-cbb348357180 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077199 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5a40c5132c18538b4f195e09c7c6d5d5d3971978cb30e9398af3d1848cb608b1 |
|---|---|
| Markdown | 8759c14e030e28938880db4973b8d337031556b77298372251935a9825da374e |
| Publication page | 3b018215d633b6e40ad0ae161b02d3437264d252328903275ea1f4315f580a00 |
| Manifest | 4adb3ad8318fa8f7faf1d27a2d5e92c86fe7b1fc0c28e81b5c4a2afed2b922ea |
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 | v2b0Vc2uAWSbQPLQsd3gPqOUMvK9fKVfj/NySVGG/pFEIK/1EB0kHh22Ro9Gz3qnO6h332PkGB6qfRrqhuLkAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:08:40.474953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077199observed 3b018215d633b6e40ad0ae161b02d343...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:08:40.457425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077199/manifest.jsonobserved 4adb3ad8318fa8f7faf1d27a2d5e92c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:40.438894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077199/publication.mdobserved 8759c14e030e28938880db4973b8d337...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:40.420023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077199/publication.txtobserved 5a40c5132c18538b4f195e09c7c6d5d5...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. |
|---|