OpenTechnical

OT-2026-000008433

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, vented 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-2026-000008433) never changes.

Identity and time

Publication numberOT-2026-000008433 · never reused
Internal UUID01a0ae6a-e46a-739c-a688-aa40a2af6735 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008433
StatusPUBLIC

Content hashes

Canonical texte9bfce2a9494dc177154982ae1426197a04be2b78f3e9fa3ce82bcf39dcbf6dc
Markdown57bebcd9da6c06ec93a772fc560c8677d00926f25295488c7d8b6f076b9ba9c8
PDF
Publication page45b6f8f8587d87c641b59ee4b3d2af6aa479a4baece5478f2d3dfeaf95bca8a7
Manifest031519dc102dbd4e83f8fa4142bf4d5330edeb154fa685c998f0f27449c59870

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
SignaturexqafCfjzhFhFXO1hX5ruTDLUW+Ki3nCC1t0E6cr7nKckoPuF5HfuB7mm0lbMkANYmd8OmRHHRdH+isAw8ALgAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:17.575956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008433
observed 45b6f8f8587d87c641b59ee4b3d2af6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:17.556707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008433/manifest.json
observed 031519dc102dbd4e83f8fa4142bf4d53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:17.538075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008433/publication.md
observed 57bebcd9da6c06ec93a772fc560c8677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:17.517471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008433/publication.txt
observed e9bfce2a9494dc177154982ae1426197...
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.