OpenTechnical

OT-2026-000073331

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line 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-2026-000073331) never changes.

Identity and time

Publication numberOT-2026-000073331 · never reused
Internal UUID01a0ae92-efb7-7218-bc9c-9b80bdc7b48f · 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-2026-000073331
StatusPUBLIC

Content hashes

Canonical text904ad8734a2d09a47b9e1487246c2762b1b9dbf6ae431565ae3ed432cf36e746
Markdownd8d70f6982fc5063ce2b2b05eaed2c0620d73132e0b05e386d990c0a350c8dea
PDF
Publication page3348ac13b844ee7cc980ec370642a3ca95e209f1e28cb2c9257f3a5fe3d11efe
Manifestfb0a7565de1a9092af76832b37afa57b512005aaec2779c9bd986a136a5064d3

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
SignatureaaeP3ciI6pdkrYbpWF5bRLqcC08E/TWq50eSrGcWfMZoNkpSeGsiFZ6FGeav0i6Sf2nJBNm/0U6ablq3LAg/DQ==
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

2026-09-17T10:21:20.978014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073331
observed 3348ac13b844ee7cc980ec370642a3ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.958248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073331/manifest.json
observed fb0a7565de1a9092af76832b37afa57b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.939794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073331/publication.md
observed d8d70f6982fc5063ce2b2b05eaed2c06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.919013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073331/publication.txt
observed 904ad8734a2d09a47b9e1487246c2762...
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.