OpenTechnical

OT-2026-000083669

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, sustained 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-2026-000083669) never changes.

Identity and time

Publication numberOT-2026-000083669 · never reused
Internal UUID01a0ae98-0416-7591-8c54-e63b0b92417a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083669
StatusPUBLIC

Content hashes

Canonical textd39a0db90cc9a92ce5d50636ffa5ffe931d639057dcb6c99138eac5ded8e8aa1
Markdown7909fa0c4c65b9384eb218a694b9fcf3e17554405505fedbcfb290eb92960313
PDF
Publication page6319cee69e9f3a734ba5b3a9eca754a3e9b36f5588414149af9ca06b4499842b
Manifest63c1da4cf9ad78f2c460aef5b0760a63c60217bfaf3b058fca8d0476b9d53aad

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
SignaturehkseKNERRSoJ7G6gpI7JMWGYD+81hQTIGhEhZj03zPMLMOKneuaHWapAkwfXJDSJKJzUvONnhGOGbEcGbhfDAw==
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

2026-09-17T09:57:17.492476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083669
observed 6319cee69e9f3a734ba5b3a9eca754a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.473866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083669/manifest.json
observed 63c1da4cf9ad78f2c460aef5b0760a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.456388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083669/publication.md
observed 7909fa0c4c65b9384eb218a694b9fcf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.439376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083669/publication.txt
observed d39a0db90cc9a92ce5d50636ffa5ffe9...
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.