OpenTechnical

OT-2026-000067713

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000067713) never changes.

Identity and time

Publication numberOT-2026-000067713 · never reused
Internal UUID01a0ae8f-6bdb-72ff-886d-12def39c2329 · 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-2026-000067713
StatusPUBLIC

Content hashes

Canonical textf551778c144ebba524d230ea09c53fd7a6b9b0cda3bc940b565ea69177c94170
Markdown61032310b71f01a10e0f09d2f0e0029711306939c8ccd2d32f13d2497821541f
PDF
Publication pagef1da844904e93825e7fe906eb2d8cc8aa07bc21cdfa2507d8b57b70904bd693e
Manifesta1fe1c0f7e231ea3186516625cce21dfc2ae0af6d52c5cd8dc22a681e7120762

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
Signatureag8ETCgnlbPcFxY+sHqJtsdObHRxEYLvqQ45+Ewg9p8RY7r5Dd+RFpQPBNhn0CTQTogXEOlQoRtGYwY6Ch2nDw==
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

2026-09-17T10:32:03.701851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067713
observed f1da844904e93825e7fe906eb2d8cc8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:03.684016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067713/manifest.json
observed a1fe1c0f7e231ea3186516625cce21df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:03.665229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067713/publication.md
observed 61032310b71f01a10e0f09d2f0e00297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:03.643735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067713/publication.txt
observed f551778c144ebba524d230ea09c53fd7...
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.