OpenTechnical

OT-2026-000009270

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, vented after set-down, on a tool changer

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-2026-000009270) never changes.

Identity and time

Publication numberOT-2026-000009270 · never reused
Internal UUID01a0ae6b-31ba-7bdd-8515-556fccc89f67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009270
StatusPUBLIC

Content hashes

Canonical textf70d2a4df6dc8d034b31b78d0d7fdc438e268ca91a6610532bb579023f8b006e
Markdown885ebc98038860724e547cc7b70a0ac206df931578400e41e50740cbe6a6650b
PDF
Publication page2a886cf53174008bb1f74b31303ff1c0ad8833c743bf9587963bb1bd47fcca1d
Manifestb25bc45867b603ebcd8a82275a94de2a3fe8ce1377daf68f6c790fef0cbb29df

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
Signature6QabbGDmosX5soj9iGt5B00MQWS+zh6erUCFIm2XeJV15wVlIOrCr9Z88ItlR6TsTbsNzEnDJ0rlzmiZkcl9Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:01.827758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009270
observed 2a886cf53174008bb1f74b31303ff1c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:01.809147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009270/manifest.json
observed b25bc45867b603ebcd8a82275a94de2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:01.788831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009270/publication.md
observed 885ebc98038860724e547cc7b70a0ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:01.769101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009270/publication.txt
observed f70d2a4df6dc8d034b31b78d0d7fdc43...
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.