OpenTechnical

OT-2026-000044290

Publication integrity record

Foam pad vacuum gripper, single stage ejector, 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-2026-000044290) never changes.

Identity and time

Publication numberOT-2026-000044290 · never reused
Internal UUID01a0ae7c-39d6-7ba1-a13c-1aa5797ae0e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044290
StatusPUBLIC

Content hashes

Canonical text576c455e592c1a7ac058596147c8d6853d100de9b5ef3ddbd2a7f9b02b79ce36
Markdownd9e6ad855ab6c941b236e84c26108cff806602e53fba29cdde7d460535ee5482
PDF
Publication pagec41179dd9d51c6f7341e7fc2ec6927148e3f4513d2ed637310acea8c669d6828
Manifestb6d5e15b0140906a424f8dc828a9e2d27b4551eb9d69a42824ddb333311aa40a

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
SignaturezbUfnsD1tQ4fcFIa13hb7p16FWqwUo+f8pSRwWjeZvubswiEgseHFnsFXRnTDy0ySy0d+GVJVYtjdZUxNc6ZAQ==
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

2026-09-17T08:30:13.966427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044290
observed c41179dd9d51c6f7341e7fc2ec692714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:13.824966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044290/manifest.json
observed b6d5e15b0140906a424f8dc828a9e2d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:13.804188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044290/publication.md
observed d9e6ad855ab6c941b236e84c26108cff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:13.782459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044290/publication.txt
observed 576c455e592c1a7ac058596147c8d685...
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.