OpenTechnical

OT-2026-000046011

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, 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-2026-000046011) never changes.

Identity and time

Publication numberOT-2026-000046011 · never reused
Internal UUID01a0ae7d-8f8a-76ae-92b6-68ed0071cb0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046011
StatusPUBLIC

Content hashes

Canonical text0871021f4b75e0081c04d733355c1e0df3c715768570f3e9e0532105541f9ab1
Markdown78b6319d72af7d0e3362723ed050f98fe735a8202afd6cad1da2486c832b5009
PDF
Publication page5ad356f9c1da31eddb9ce1d966ee5e0607efbff4c1ef60e3d28d304d07faba32
Manifest53427e3d7eb0ad59d6b8e911597ba2772112e6c3f10bda95202b19d0edb395b0

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
SignatureVIsEbI/RD4Tsml7pfGhOllvWVYlux/vgkiuKUJggy/33LUxy9yfnQGpjVXjv5jLnLp+ZXUKAet2tCzsVlwJMBw==
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

2026-09-17T11:10:00.914097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046011
observed 5ad356f9c1da31eddb9ce1d966ee5e06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:00.895632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046011/manifest.json
observed 53427e3d7eb0ad59d6b8e911597ba277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:00.877532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046011/publication.md
observed 78b6319d72af7d0e3362723ed050f98f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:00.857713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046011/publication.txt
observed 0871021f4b75e0081c04d733355c1e0d...
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.