OpenTechnical

OT-2026-000073303

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000073303) never changes.

Identity and time

Publication numberOT-2026-000073303 · never reused
Internal UUID01a0ae92-efb7-7bb8-8d28-785eb7b4d8ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073303
StatusPUBLIC

Content hashes

Canonical text4e899cb4826a3183e777dd74ab0db7a449e229646121c00b09e3b327afdf9680
Markdowna7fa7edfc25bb7bc981cd50a5d9269af11e20b3fb6179656207ea4a8108dbcc1
PDF
Publication pagec30d4db601489130f8cf76ecf38ad7b52fd06ad36e10aa65d1c3fb01e7de77fa
Manifestb8ea3bc08c57318e1a695c63e2951218b03df0aae6d807f71f6147c6fea2c66c

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
Signature9IDMZWBOcCMNWguUV9cFl3rmtfBsg8iqKaqbZRP3E/GJck5fTwqHzEV2SSHMKafVAducM8iKkCz6SHoCiQRfCQ==
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

2026-09-17T10:21:18.831303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073303
observed c30d4db601489130f8cf76ecf38ad7b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.810479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073303/manifest.json
observed b8ea3bc08c57318e1a695c63e2951218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.791085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073303/publication.md
observed a7fa7edfc25bb7bc981cd50a5d9269af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.770625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073303/publication.txt
observed 4e899cb4826a3183e777dd74ab0db7a4...
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.