OT-2026-000005542
Publication integrity record
Vacuum cup gripper, per zone isolation, plant vacuum fed, pressure verified, contact triggered, polyurethane cups
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-2026-000005542) never changes.
Identity and time
| Publication number | OT-2026-000005542 · never reused |
|---|---|
| Internal UUID | 01a0a93c-96c6-74eb-9fa9-0b45c1f88867 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:01:55.403128Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005542 |
| Status | PUBLIC |
Content hashes
| Canonical text | cfd9b6baa19734f85624827974eea1d24343f12afb9eec5fb11baaeb6490006b |
|---|---|
| Markdown | 2ed5873945a3fb3ac8a247d52a1693ed3a951ff9ea228caa6b299c5fd116c855 |
| Publication page | 145b6d699861f39d66a49fcca59985858f6eb6118cda22e42adc818bb57e42d7 |
| Manifest | 34f517da0cc56b0bd00be5d04fa5b4e4a381d6d0bfce9e67beee58a9741453d0 |
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 | 8cHJBJ5qDG9a6TQKS0c8B1VZ+goetbWELo+oJ82DeEa4ypoFZdo19N5uunCxAbSAzF7boGyAVBkTiEiikrtgAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:10:28.677244Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005542observed 145b6d699861f39d66a49fcca5998585...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:28.664951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005542/manifest.jsonobserved 34f517da0cc56b0bd00be5d04fa5b4e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:28.652164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005542/publication.mdobserved 2ed5873945a3fb3ac8a247d52a1693ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:28.638382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005542/publication.txtobserved cfd9b6baa19734f85624827974eea1d2...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. |
|---|