OpenTechnical

OT-2026-000032300

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000032300) never changes.

Identity and time

Publication numberOT-2026-000032300 · never reused
Internal UUID01a0ae75-106d-772f-8c49-e4212d8a4722 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032300
StatusPUBLIC

Content hashes

Canonical text5763d63548b1153d7c5a115e4f9e8e4663704c6d24cd9bf76ab40fa8ee152f3f
Markdown6025deaa96b58478b3dba9937bcd0b495e1b947aef30b88d1d66745652f0682e
PDF
Publication page64ffe05e635038d48e612cd11c28f28e50c0c02a3b330df9e014c9b3939d1e5c
Manifestc1bd5f4335f927dee6ab5b4b56adab65b47b096c2105f0ae94a3f47864cac25a

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
SignatureRkWoywW7s1JHixDt8GFg+NmaGBzMqdA68bsfT9D+hUe6JfNLueI1cXUC8ExgTZExY6EswrLg22wueQH6t5EdDw==
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

2026-09-17T11:33:07.787943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032300
observed 64ffe05e635038d48e612cd11c28f28e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.771144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032300/manifest.json
observed c1bd5f4335f927dee6ab5b4b56adab65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.755042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032300/publication.md
observed 6025deaa96b58478b3dba9937bcd0b49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.737644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032300/publication.txt
observed 5763d63548b1153d7c5a115e4f9e8e46...
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.