OT-2026-000084221
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000084221) never changes.
Identity and time
| Publication number | OT-2026-000084221 · never reused |
|---|---|
| Internal UUID | 01a0ae98-5b60-7ebc-b951-de500df9f385 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:00:15.619216Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000084221 |
| Status | PUBLIC |
Content hashes
| Canonical text | e8a18e4fdd2742ffce513f7e0ef6928afc68d76c3ad83b42022a28b1846fe3ca |
|---|---|
| Markdown | 78e057aecab43970f3211b7d09e6545dbe90814779b245bda7715a9441b5cc60 |
| Publication page | d9351d5fa7795044806663d6c2eef3e424a61fa25f8f58378d0c7c0e43789285 |
| Manifest | 7116555a95a7ef97f159fdca83994f862139107c76176e480f91c50df7adcd50 |
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 | 28obrZaJpUu6iaDgsB+5XfIgZlzmj7bcDT11oxkIR+I7PBFONehczGC9S5VB3cPEaz8FX0XshGiNC5iODk/pBA== |
| 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
| 2026-09-17T09:56:00.613832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000084221observed d9351d5fa7795044806663d6c2eef3e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:56:00.595847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000084221/manifest.jsonobserved 7116555a95a7ef97f159fdca83994f86...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:56:00.578589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000084221/publication.mdobserved 78e057aecab43970f3211b7d09e6545d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:56:00.561476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000084221/publication.txtobserved e8a18e4fdd2742ffce513f7e0ef6928a...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. |
|---|