OpenTechnical

OT-2026-000067324

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000067324) never changes.

Identity and time

Publication numberOT-2026-000067324 · never reused
Internal UUID01a0ae8f-6bd6-7b09-ac8b-b2676fbc127d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067324
StatusPUBLIC

Content hashes

Canonical textb28618746f4e5bb14d54b332b51f3c8e816bc5b7ec827cd053acb7fdc1eaf2d6
Markdown255949d6a862079511747701a17e4a9e14ab53a7b3f65b1f39e358ab4619920a
PDF
Publication pagef772f1fe1693a4578e2e7f4b09187a71ed2d6b9500b2f15fcd19f29c3109c7e5
Manifest9ad4cf9bed9becf16e04ba5e6373a9db1cfc9a11dcb9753f79fa0e03cfe7db23

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
SignaturehIRcIy31tZLJvx+qWfGAXBI47/iR/h/ck7s1bjldbr/bHM76WErpkMiuNWCmc3m4yrL0e15I9gGBi/nYJ6cUAA==
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

2026-09-17T10:31:30.186872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067324
observed f772f1fe1693a4578e2e7f4b09187a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:30.170047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067324/manifest.json
observed 9ad4cf9bed9becf16e04ba5e6373a9db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:30.153995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067324/publication.md
observed 255949d6a862079511747701a17e4a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:30.137128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067324/publication.txt
observed b28618746f4e5bb14d54b332b51f3c8e...
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.