OpenTechnical

OT-2026-000062748

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000062748) never changes.

Identity and time

Publication numberOT-2026-000062748 · never reused
Internal UUID01a0ae8c-6389-70ee-98cf-a52cce265771 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062748
StatusPUBLIC

Content hashes

Canonical texta89d65eb468c6dea92b43c8295d18b804b0a994056733ef5ee68b57dacd09bd2
Markdown82d6224632df4d8f7a3d9ebdab38c10163c4af3b0b1d5ea62020c6c04a0b49b8
PDF
Publication page6bddcdf1020987d2b2caf9d261ffe1911bc13c8eed19804409e87e867f823d81
Manifestcc03298a34b323e19524268d8b65cca42f7693f24931c4e42e1e0a613142c9d7

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
SignatureUQ38iQ1ghUrYWG2Lu6s95GmBZ9BXCJBQ6gcCEn847m2qOQrILOLQUVh8n4S/s9lJx2JGvqt9mc4MT/4aikpoAA==
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

2026-09-17T10:39:19.642773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062748
observed 6bddcdf1020987d2b2caf9d261ffe191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:19.624900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062748/manifest.json
observed cc03298a34b323e19524268d8b65cca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:19.606641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062748/publication.md
observed 82d6224632df4d8f7a3d9ebdab38c101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:19.589782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062748/publication.txt
observed a89d65eb468c6dea92b43c8295d18b80...
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.