OpenTechnical

OT-2026-000097226

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, sustained 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-2026-000097226) never changes.

Identity and time

Publication numberOT-2026-000097226 · never reused
Internal UUID01a0aea1-01ca-7629-9677-d2b29b45dffa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097226
StatusPUBLIC

Content hashes

Canonical text02010ff5c74dcb2e85edb807dac93d3697e32a2ef94520e7ea9d802ba8d971d3
Markdown1efddd9dce0d8c440585b03fb1b755924a992477e23efdbdd5cb888f0cccd012
PDF
Publication page38a7ef27bee9e99bd353fae62c8ae6429aea2be6e32de2e93bf3b99b1d0a0be2
Manifest2541122a9a6ffc9c91130bd24e8f3d87f78db016b097a59afab7958de96715e9

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
SignatureMKYSO71KTTbgcM15UbeyaYqdtaC9P8CUuqUOBZ8A3jn/iUjnY9x6ofI8Nvxi5uNZqNyKcQoGpFbXFJtlo6K8Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:28.472029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097226
observed 38a7ef27bee9e99bd353fae62c8ae642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.456054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097226/manifest.json
observed 2541122a9a6ffc9c91130bd24e8f3d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.439788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097226/publication.md
observed 1efddd9dce0d8c440585b03fb1b75592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.423966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097226/publication.txt
observed 02010ff5c74dcb2e85edb807dac93d36...
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.