OT-2026-000020991
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000020991) never changes.
Identity and time
| Publication number | OT-2026-000020991 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-7205-8ef0-1c8325d38d3c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020991 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1a617c3dac8a065d1d0a42e6dd3d8ec82ba73ee0f60820b9b6675e35274a254b |
|---|---|
| Markdown | 2f226687017a3cd0c0dc774b0520b46bd4273a09fd599fc0c708ed1318f5dc6e |
| Publication page | d8bfdacdb8fde6396912a9991c5160a92153d41e82ef9cc949fdc755f9055e89 |
| Manifest | 188650ed43fd045d87e321ebf6eeea85686684f61235022f5311f2f848496565 |
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 | x0VpmiK0HJzLgTqYSOxbgG5ajoHmBK5VbPfQ/RdieRagIB2kSocAc7arOYoTBG/Ju8AzA2eUOrzpfYSEHlN+DA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:56:08.651910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020991observed d8bfdacdb8fde6396912a9991c5160a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:08.633759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020991/manifest.jsonobserved 188650ed43fd045d87e321ebf6eeea85...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:08.613546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020991/publication.mdobserved 2f226687017a3cd0c0dc774b0520b46b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:08.596607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020991/publication.txtobserved 1a617c3dac8a065d1d0a42e6dd3d8ec8...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. |
|---|