OT-2026-000090321
Publication integrity record
Two bellows cup vacuum gripper, two 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-2026-000090321) never changes.
Identity and time
| Publication number | OT-2026-000090321 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2c-7f78-a553-1e497df872a0 · 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-2026-000090321 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8ff79a41621866f256d04464a6da1d1b5e28a3fa3ac15df1715706502eb997ed |
|---|---|
| Markdown | cd46ed6f8dbc474ddb01604bd12c21f6cc2d0360246699f6b68ee17c06df0dc8 |
| Publication page | 9dc48aec27b226d6e3e7e06cb9114ee7ad50d223fe8c2dc781ac68a17e893b48 |
| Manifest | d9c57da96b87a4d9d02468d78412d290ae8844d6c6ebba4c950bb23bdd061b9a |
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 | LyrtlttJpExtPs7rWgIjWKZy00qiBO/u1BJZbd/LVY07ZOtqx0x6sK+qayUbE/Pd6wKIbyYspvM/7w8J3T7yAg== |
| 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
| 2026-09-17T09:44:24.410345Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090321observed 9dc48aec27b226d6e3e7e06cb9114ee7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:24.394733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090321/manifest.jsonobserved d9c57da96b87a4d9d02468d78412d290...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:24.379178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090321/publication.mdobserved cd46ed6f8dbc474ddb01604bd12c21f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:24.361528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090321/publication.txtobserved 8ff79a41621866f256d04464a6da1d1b...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. |
|---|