OpenTechnical

OT-2026-000003650

Publication integrity record

Porous face vacuum gripper, common isolation valve, two outlet manifold, three stage ejector, contact triggered

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-2026-000003650) never changes.

Identity and time

Publication numberOT-2026-000003650 · never reused
Internal UUID01a0a90a-a3e0-7ba1-b6a4-ed6045c8bdb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:21.955485Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003650
StatusPUBLIC

Content hashes

Canonical text6eb07b74f33a88005c3345f5e5f7ea841804f70eb359f989b22aed42a1c9bc4f
Markdownc799f7fc7ecf7f47db596585db4da3d131d94ecfe6b582a7cbf32d381291bf9d
PDF
Publication page327385a8e5b69264d55a6e30729aaccf121138f20b84095213438bf00e6e444d
Manifest79e8b832005fdfd1fe5658bb845f696331750d18679ffe17f9bf3d6dff15a6cc

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
SignatureqK60ZlM3F7LbBH86FJHkKqn07zC48bTyhlaLix2d91Hpj1N6LI+i87b9D1wbzZ2lXbNpL9jlrAXLnnox+kXXBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:20:37.903855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003650
observed 327385a8e5b69264d55a6e30729aaccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:37.889922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003650/manifest.json
observed 79e8b832005fdfd1fe5658bb845f6963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:37.872394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003650/publication.md
observed c799f7fc7ecf7f47db596585db4da3d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:37.739745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003650/publication.txt
observed 6eb07b74f33a88005c3345f5e5f7ea84...
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.