OT-2026-000090415
Publication integrity record
Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000090415) never changes.
Identity and time
| Publication number | OT-2026-000090415 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2d-7a3f-98d1-fae1a46a25c0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090415 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5aa2ab88000f7a98645517ff93ae04b654d63b20874444551889e5af201359fe |
|---|---|
| Markdown | 5c3f998cd00e83d0ec6904d283191602afd38149e50a6ba69dfa67ed4f9e79ee |
| Publication page | e78aef2635bbc6699a035e7248d86fc7e4dddfbf45c051f264ebdd681c0e7441 |
| Manifest | 78e4f047914b473d5cb769f1931e33358e6b57f356d50bb5126c1c01d8ebca6c |
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 | IghjBGxQN7Ug05qvVhzFh5z3yOPq4LVjyrfpkBXibK7vyuv6mjPm4rbQ+b1MxSlZiV/S1BUVhztYcSrtB/HrAA== |
| 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
| 2026-09-17T09:44:31.831975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090415observed e78aef2635bbc6699a035e7248d86fc7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:31.814505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090415/manifest.jsonobserved 78e4f047914b473d5cb769f1931e3335...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:31.796559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090415/publication.mdobserved 5c3f998cd00e83d0ec6904d283191602...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:31.778294Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090415/publication.txtobserved 5aa2ab88000f7a98645517ff93ae04b6...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. |
|---|