OT-2026-000020487
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pulsed 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-2026-000020487) never changes.
Identity and time
| Publication number | OT-2026-000020487 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-71a2-a89c-d73f57e319dd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020487 |
| Status | PUBLIC |
Content hashes
| Canonical text | f8ebebb2b12c7de68b2f81e7edb33f3b842780798ba388307682a172d24cc5d5 |
|---|---|
| Markdown | a68a1a4256686c8c008ccaa173431950c8de6a6d22349c720e991864fa029fad |
| Publication page | 980ad9e30ef628a660bd2537e0dcfab1a58aeb3cbe409b19e1f94fbe3c5e45e7 |
| Manifest | 88f71b9fbc61f9583df4cc1670f0efdacc74376a4c7733e55e5df49912e80239 |
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 | Hu5IDo6tZDyoJDeBG+SP9xwTvzOGTYDcK1pIGv4fqiQ1Cyvk33qmtIYLFWAHrjpS5GpB4oP0iXBCTsysFN+QDQ== |
| 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
| 2026-09-17T12:00:25.725171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020487observed 980ad9e30ef628a660bd2537e0dcfab1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:25.700770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020487/manifest.jsonobserved 88f71b9fbc61f9583df4cc1670f0efda...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:25.679635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020487/publication.mdobserved a68a1a4256686c8c008ccaa173431950...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:25.656795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020487/publication.txtobserved f8ebebb2b12c7de68b2f81e7edb33f3b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:29.460735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020487observed 980ad9e30ef628a660bd2537e0dcfab1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:29.442836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020487/manifest.jsonobserved 88f71b9fbc61f9583df4cc1670f0efda...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:29.425458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020487/publication.mdobserved a68a1a4256686c8c008ccaa173431950...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:29.406917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020487/publication.txtobserved f8ebebb2b12c7de68b2f81e7edb33f3b...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. |
|---|