OpenTechnical

OT-2026-000074149

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000074149) never changes.

Identity and time

Publication numberOT-2026-000074149 · never reused
Internal UUID01a0ae93-7177-7154-a1e7-9c83a9acc8e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074149
StatusPUBLIC

Content hashes

Canonical text0ab0f70c5360ca6003bbef6296e16f4f6b71a7362ea236aa095b604ab4d53899
Markdown4e133bf9410decd1f71cd3087c68cabf6db18ddf6c3a01b1b0642e18f522186a
PDF
Publication page255b669e5f8feabe4674c047abbf8ffdafd70d40188b08a46eccdfeec1c7e766
Manifest0d5a26aa756f2d7af317c61651ebd041179ed4cd43edbfdc986589434cf7f73d

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
SignaturebzsbWpLIi3OciX6nrBmEFeSgV2CMO8wJk+1TJLyXDal6T3TszrJqarUQpF3geT/F3y4ffFjHLHr9delHjQEHDg==
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

2026-09-17T10:18:59.764047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074149
observed 255b669e5f8feabe4674c047abbf8ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.747185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074149/manifest.json
observed 0d5a26aa756f2d7af317c61651ebd041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.731570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074149/publication.md
observed 4e133bf9410decd1f71cd3087c68cabf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.716124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074149/publication.txt
observed 0ab0f70c5360ca6003bbef6296e16f4f...
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.