OpenTechnical

OT-2026-000069243

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000069243) never changes.

Identity and time

Publication numberOT-2026-000069243 · never reused
Internal UUID01a0ae90-b528-787a-bcfe-8b954f8b83a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069243
StatusPUBLIC

Content hashes

Canonical text7d90bb7720de2b9522e7c0eb61dda8973a3781e842d7dba96bb6ec15d5fd5623
Markdown073b5e64db3cfbeb960ce1027da42518f6f6cf9cd10da78894dd18228a5bdf28
PDF
Publication page89179a80c7bb612b7c26e9566a75288a571efd27d615d1ed9ceaae9a5c19f882
Manifest689cb40c98a232040372dcf379646f0ad9fa62c451102e6bb668314b32a5f0c0

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
Signature+H9NiQGrmp1Ax3aVsgMdx578mOuSY1g45a6vQDge9Tif1oVy7SNTRsRIWRGpoV8XiapsM/7fPfURHIX/6FIsDQ==
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

2026-09-17T10:27:18.832698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069243
observed 89179a80c7bb612b7c26e9566a75288a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.815178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069243/manifest.json
observed 689cb40c98a232040372dcf379646f0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.797039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069243/publication.md
observed 073b5e64db3cfbeb960ce1027da42518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.779988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069243/publication.txt
observed 7d90bb7720de2b9522e7c0eb61dda897...
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.