OpenTechnical

OT-2026-000069110

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000069110) never changes.

Identity and time

Publication numberOT-2026-000069110 · never reused
Internal UUID01a0ae90-6dce-7129-aa99-9741422a8b39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069110
StatusPUBLIC

Content hashes

Canonical textcb4127a7ccaa34879b239460f775282e77b9258e87b7ce577ff7256eaf9f361b
Markdownac1ddfef6cfb6f61fcfe17e526e82610667da5a9f485aba5839743b93a119546
PDF
Publication pageb1a45cdb00879cb306b9990248da25d8c581918f841e045e9918621add18647a
Manifest4048048ebc5a5bcdb4361eb6af51fbc7c46d33a090bbdcd3e520c56a59a1e143

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
SignaturevDKkMAhlEdpEb6KMvBZaIbnnx66o+O+jp5ZRywkbOEZEz+NphhFSICCb1F7k0YvmgazH1k5w1+pf4Zag7eZpAw==
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

2026-09-17T10:28:59.242116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069110
observed b1a45cdb00879cb306b9990248da25d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.224741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069110/manifest.json
observed 4048048ebc5a5bcdb4361eb6af51fbc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.208985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069110/publication.md
observed ac1ddfef6cfb6f61fcfe17e526e82610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.192342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069110/publication.txt
observed cb4127a7ccaa34879b239460f775282e...
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.