OpenTechnical

OT-2026-000064648

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000064648) never changes.

Identity and time

Publication numberOT-2026-000064648 · never reused
Internal UUID01a0ae8d-deb8-7c70-bb48-8267aa1a0276 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064648
StatusPUBLIC

Content hashes

Canonical textba690d6eb606588eb259b46b8c27af0ac9d821ef807376365541d7cfdb6da63d
Markdown8332021fdaee745b2bf698086b5ca4339d0e8cc5297abe63e56b94f7b1e4bd65
PDF
Publication page159ab9d21cc0cfb28026ea0668833d85a4ea0a8e87282c8a32188f3185792a35
Manifestc4818ddb0aee804cecf8b07c3e5a781bd30133286bbd64d17677b011e5017265

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
Signature1L8g2hkJGA9/kf5noSA5FstHV9PW5+UJyyI/TfJTNc73RGjg7//z7fFH9cPp5EaG/hLsjFpLnyL7EDzZiy59BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:26.076866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064648
observed 159ab9d21cc0cfb28026ea0668833d85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:26.059465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064648/manifest.json
observed c4818ddb0aee804cecf8b07c3e5a781b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:26.042411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064648/publication.md
observed 8332021fdaee745b2bf698086b5ca433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:26.025551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064648/publication.txt
observed ba690d6eb606588eb259b46b8c27af0a...
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.