OpenTechnical

OT-2026-000044017

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000044017) never changes.

Identity and time

Publication numberOT-2026-000044017 · never reused
Internal UUID01a0ae7b-d679-7d39-bfca-168b50ef5eab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044017
StatusPUBLIC

Content hashes

Canonical text4df39a48f82177bd4a81cfcee564367cfb38bfa70eaca5def9ceaaabbdb30343
Markdown8d090c29681bc6996037735136719aa03f81a36f98069c1956a63a46791e56e6
PDF
Publication pagea93d85961fb86c47e30ead2503908c66c39bb29bbe63b11352dc1acdca72d2c9
Manifest1c907cc3914f07854aed12faa9f2c981253ccc9a99d302dab91699c7035e9691

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
SignatureYaONe3jyQ7BECPH0fn0fWTg4Jjh+GCcVw62Uvbkn7r1pA3APk59ScvhGY+ZLFfbZq7xiHj0hZDqzU+fzBXm6DA==
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

2026-09-17T11:12:23.974851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044017
observed a93d85961fb86c47e30ead2503908c66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:23.954162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044017/manifest.json
observed 1c907cc3914f07854aed12faa9f2c981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:23.935598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044017/publication.md
observed 8d090c29681bc6996037735136719aa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:23.916613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044017/publication.txt
observed 4df39a48f82177bd4a81cfcee564367c...
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.