OT-2026-000090721
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000090721) never changes.
Identity and time
| Publication number | OT-2026-000090721 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f31-7781-b05a-b2682eabb540 · 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-2026-000090721 |
| Status | PUBLIC |
Content hashes
| Canonical text | 53ff2daddefea9589eee4a851c18aae9d5c07497a8f9e407e5ba7e50ef342198 |
|---|---|
| Markdown | 98a4dffefd6767e95c4f3e2c32c4e24ab9a552e870791519ac1a66c9b70ee627 |
| Publication page | 0d5f7b70e58d75a1a9e8eec6d6b637b31fdf2370f933452a9225b3fa06b501d0 |
| Manifest | d27bef49069f16cc0d06147e8cd5f060fec48f63326958b7233ab232ae2ab96c |
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 | Mi+Fxs0/jrvApZRWhtKzeAsQAaaxm3goeYAxVi37oxqOIKWZmiARL1sKBCdBrmX8eUhXZm3TU0fhTq3QZDOZAQ== |
| 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
| 2026-09-17T09:44:22.527897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090721observed 0d5f7b70e58d75a1a9e8eec6d6b637b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:22.510060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090721/manifest.jsonobserved d27bef49069f16cc0d06147e8cd5f060...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:22.487182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090721/publication.mdobserved 98a4dffefd6767e95c4f3e2c32c4e24a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:22.469421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090721/publication.txtobserved 53ff2daddefea9589eee4a851c18aae9...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. |
|---|