OpenTechnical

OT-2026-000050269

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000050269) never changes.

Identity and time

Publication numberOT-2026-000050269 · never reused
Internal UUID01a0ae82-5c46-7db3-9ce8-52c234a6ce40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050269
StatusPUBLIC

Content hashes

Canonical text022757bee8835ca983d92472c022d62e164cfb5ce2a28696b977f6cb8603b15e
Markdownad15db7d33de446c3bb209a81b8ea7d50c44597dd02ef5bc95d13cbd4f0fd8bf
PDF
Publication pagea543aa8f3a73dd2a6253144a30685e2308eed2e1d99dc9652287a7864ed46c09
Manifest6737114b96b07ac13c9e9aa1cf572292a084b5a29f5f7792cd5d69b69fa77536

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
SignatureOvwVZ0qAUCdu8420sH+s5+zlc47c+oXh5E0ihWcgHwlQyT7hCj8OoruSCoSiu7UDZnYzwir/D74gUendLXU+Cg==
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

2026-09-17T11:01:16.242482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050269
observed a543aa8f3a73dd2a6253144a30685e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:16.226279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050269/manifest.json
observed 6737114b96b07ac13c9e9aa1cf572292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:16.211120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050269/publication.md
observed ad15db7d33de446c3bb209a81b8ea7d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:16.194433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050269/publication.txt
observed 022757bee8835ca983d92472c022d62e...
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.