OpenTechnical

OT-2026-000097225

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, 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-2026-000097225) never changes.

Identity and time

Publication numberOT-2026-000097225 · never reused
Internal UUID01a0aea1-01ca-7a08-8963-a877561dd281 · 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-2026-000097225
StatusPUBLIC

Content hashes

Canonical text6069826661a779200379198a2954aa15ada4c7a416308fee6a195d89dd3344df
Markdown3f91f4db72f23c7c361631f17e1787d3e8b5d3461b2f0d12f8f51a48654b98b0
PDF
Publication page77da9ad1e3db8830147cff75a4dc61b55066fea25c43c5b1d7f7579a20134e1e
Manifestdbf076a9e9c51ef784f9b79b3ce7eb7420d9b9cd5d416f04e08172fb19e673bf

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
SignatureehbOd19pf7MmTUjLGYzcb72idr1O0We8VsEbb0c6RB6ftC/H3RxigiPHtpROZ9mj/A3MKHXwKxIL7o9NqUBGBg==
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

2026-09-17T09:33:28.405497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097225
observed 77da9ad1e3db8830147cff75a4dc61b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.390070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097225/manifest.json
observed dbf076a9e9c51ef784f9b79b3ce7eb74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.373292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097225/publication.md
observed 3f91f4db72f23c7c361631f17e1787d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.356189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097225/publication.txt
observed 6069826661a779200379198a2954aa15...
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.