OpenTechnical

OT-2026-000063848

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000063848) never changes.

Identity and time

Publication numberOT-2026-000063848 · never reused
Internal UUID01a0ae8d-53b7-70cf-88e8-c0f4f285138f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063848
StatusPUBLIC

Content hashes

Canonical text434572cfed13978be56724bfa7b53c534028080f198a8d47c3d0e45fd217c001
Markdown9c262826778e06504f71f42d594c5eec8a3bee339c2afea0ebd69cb8552d9964
PDF
Publication pagee8651cc804f441cfa7f01504fa1da4250e7f3828a99e3a1a293374ac41f61f06
Manifest60c160668affa4b761d3d1235d375c1dfe1a6877f1a1e1d6ec04837424d77721

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
SignatureZwdZ+M+RwDm5pDnp4fGz8DNFJ1r/Bp7hqgtfaOMCOVbVvgkCaf3zz9oZMHb41TaiyfV3FqRYYRYa1iGSZ2DkBw==
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

2026-09-17T10:36:52.683646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063848
observed e8651cc804f441cfa7f01504fa1da425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:52.664752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063848/manifest.json
observed 60c160668affa4b761d3d1235d375c1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:52.645189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063848/publication.md
observed 9c262826778e06504f71f42d594c5eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:52.626808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063848/publication.txt
observed 434572cfed13978be56724bfa7b53c53...
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.