OpenTechnical

OT-2026-000072149

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000072149) never changes.

Identity and time

Publication numberOT-2026-000072149 · never reused
Internal UUID01a0ae92-47c2-7651-8730-b6129c70b240 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072149
StatusPUBLIC

Content hashes

Canonical textfe6b22843712746a605d36296a6769c31ef1401600278dfc8669913aefcbd967
Markdownbe8b08660a7d8f9fa60c17ad51b0e34fae04db362909e96b33b45783b88307f9
PDF
Publication page07b5ab17e9ceaf92cce0b9ab0c153f45bb8585f30cacd79d1fc86a33f715e464
Manifest501aefaada55d3dc48987103eea534db5ccb63f767d2be57fb45a67581ac98fc

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
Signatured0hRkfd2vJX+QJdv3nMOSRCus4QOjZNe95Jg6R9W+JIr5Q6L2solfCBItq0ATpsyemWYA0k6dZs8PiliKE1VDA==
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

2026-09-17T10:23:14.796838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072149
observed 07b5ab17e9ceaf92cce0b9ab0c153f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:14.781403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072149/manifest.json
observed 501aefaada55d3dc48987103eea534db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:14.764626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072149/publication.md
observed be8b08660a7d8f9fa60c17ad51b0e34f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:14.748418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072149/publication.txt
observed fe6b22843712746a605d36296a6769c3...
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.