OT-2026-000090437
Publication integrity record
Three cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, sustained 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-2026-000090437) never changes.
Identity and time
| Publication number | OT-2026-000090437 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-7a01-91cf-f0377392ed4d · 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-2026-000090437 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4a6852ce2e7b3ec7bae4858fd4c0a610c484d12557eda169d8cbae63637fa2bf |
|---|---|
| Markdown | 88c4ff12b780f79712e3d0aa11e4a5844ff286eefad056413dec8b00470d19b2 |
| Publication page | 4f2b6677297d071e252c0d823e66c17055f3299d8c0cff373d9b2cc124efbd43 |
| Manifest | 9ffc495838a95bbd4a7d6ea1b5048bc6f57278f7daf4c01e3f2ad8969134aa17 |
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 | nyssxrG01H8WeF+8GhzDDHi5b8WtV8p4ZJ2JK5AwU5aijbLhXxvKL40antHcOcJQ4XBFCABFlxP3lL59G5FIBg== |
| 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
| 2026-09-17T09:44:33.402647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090437observed 4f2b6677297d071e252c0d823e66c170...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:33.384801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090437/manifest.jsonobserved 9ffc495838a95bbd4a7d6ea1b5048bc6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:33.367821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090437/publication.mdobserved 88c4ff12b780f79712e3d0aa11e4a584...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:33.349212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090437/publication.txtobserved 4a6852ce2e7b3ec7bae4858fd4c0a610...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. |
|---|