OpenTechnical

OT-2026-000029668

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000029668) never changes.

Identity and time

Publication numberOT-2026-000029668 · never reused
Internal UUID01a0ae73-5e23-7335-b0e9-7564003dd52a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029668
StatusPUBLIC

Content hashes

Canonical texte8334d998c2131d6c4d8ef3d6644473915083d2811f10f7fbc4fb0b3897a7942
Markdownbc32a3146a720abb2ddf8afe9c04701d6e03fb346b67f63e2a5bce95727f68f9
PDF
Publication pagedbf2eb719ebe68bfde34713a419bfc85961b924f5ba11d3fa431b37cca5fcd92
Manifest819c24571d31a46bbd77f0543b2d4537f89d42f3a035ccf626ae8f9eede04313

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
SignatureedORVFQF3tiMGLve34czrOMqf54PIw0q6HB/MUm9TX3ju36OEsj5Ltvq6fYBggCBULEFFAA4kWpOVUb8y8XNDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:39:23.226828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029668
observed dbf2eb719ebe68bfde34713a419bfc85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.210221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029668/manifest.json
observed 819c24571d31a46bbd77f0543b2d4537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.192162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029668/publication.md
observed bc32a3146a720abb2ddf8afe9c04701d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:23.172110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029668/publication.txt
observed e8334d998c2131d6c4d8ef3d66444739...
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.