OpenTechnical

OT-2026-000042993

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000042993) never changes.

Identity and time

Publication numberOT-2026-000042993 · never reused
Internal UUID01a0ae7b-3277-76ea-8f8e-87f788a54d52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042993
StatusPUBLIC

Content hashes

Canonical textc9220a9dd020c7ed2b74f72f4d8995042b1d355875267de354a3937df4609cb0
Markdowndbb562ac2794f6d1d87496073ab3834d9ea300d0d22c1a00af76a8cb995ed13e
PDF
Publication page003f949be21fc2a7de78095f452cab423394fa737ed92ce4746681a5d6c55fd2
Manifest71e205cf8c2ded60962a134730b03825d38ac549ccd926ad5033a066a085f259

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
Signatureu3FPMLKW6klAf0P9dsERkBXcW9WziTl/PT5lq5JqiiVk+IwX5J3dy0l59GhW8ZH58W2xVX2py55245x0oBspAA==
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

2026-09-17T11:13:17.948120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042993
observed 003f949be21fc2a7de78095f452cab42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:17.930305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042993/manifest.json
observed 71e205cf8c2ded60962a134730b03825...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:17.912091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042993/publication.md
observed dbb562ac2794f6d1d87496073ab3834d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:17.894389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042993/publication.txt
observed c9220a9dd020c7ed2b74f72f4d899504...
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.