OpenTechnical

OT-2026-000046563

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000046563) never changes.

Identity and time

Publication numberOT-2026-000046563 · never reused
Internal UUID01a0ae7e-57dd-725f-8837-4ef43b07e28f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046563
StatusPUBLIC

Content hashes

Canonical texta43a8411fb59ee03f550578f657341848f3913d2309bca1da833906dface3ed9
Markdownaf449663ccd782bba755ecd82062aff90e615cfb6f492e375495a2118122853c
PDF
Publication page99d7bebe591ac862ce7a292b4a1f2343c62c8e34453f2c8523b0041657c16320
Manifestc0061989435d618f8b347e21a673e96b46ee4eee52e79f9dd93979726d531b67

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signatured+aCjCG9EdoUKJ5tYjGWxmyFw7QK/kS1aMqcyMPe4tWyhJKYdWnTqTWobb0C1XaJnLKCTTSJ2ahMl4mbafxbDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:08:37.649218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046563
observed 99d7bebe591ac862ce7a292b4a1f2343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:37.628284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046563/manifest.json
observed c0061989435d618f8b347e21a673e96b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:37.610341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046563/publication.md
observed af449663ccd782bba755ecd82062aff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:37.591271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046563/publication.txt
observed a43a8411fb59ee03f550578f65734184...
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 archivePending 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 packagePending Custody packages are produced weekly.