OpenTechnical

OT-2026-000008117

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000008117) never changes.

Identity and time

Publication numberOT-2026-000008117 · never reused
Internal UUID01a0ae6a-908c-7a9b-9216-c535671bcc59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008117
StatusPUBLIC

Content hashes

Canonical text2c8df10b0c9db9329304e28799922683fea53521e9c0246b44549b90c42d8822
Markdown0ab9be88f13afe7def7c859287f71783d84375fddfe99e04dfade8c445ebb35a
PDF
Publication page471dffff03fe3faa958481195094365cb209e9d0ac48e75e52c0d40cc9c702c9
Manifestc5e1497b71a79c774cb411bb3a19cfa1c6be6ea1536ea3ef3d93d516fac4b561

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
Signaturerc4KLkbWiI9tqblLmfXyFVl3XBNSE8EG52IK+SZCMNUTZAVAnZ7/ZBtZ6hdRQirAox8RTVXtQ37keNVTSkRIDg==
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

2026-09-17T12:20:26.181284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008117
observed 471dffff03fe3faa958481195094365c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.150854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008117/manifest.json
observed c5e1497b71a79c774cb411bb3a19cfa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.126431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008117/publication.md
observed 0ab9be88f13afe7def7c859287f71783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.099305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008117/publication.txt
observed 2c8df10b0c9db9329304e28799922683...
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.