OpenTechnical

OT-2026-000074347

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000074347) never changes.

Identity and time

Publication numberOT-2026-000074347 · never reused
Internal UUID01a0ae93-7179-776e-9a91-261758dd6f64 · 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-2026-000074347
StatusPUBLIC

Content hashes

Canonical textcbdd73d83922ce3acd15f68c2ab049f9c999394c86546eaf9c16a0fc3f2413ac
Markdowna2c683b8cab6da14414141c0107ecda0d1b462554d081cbbcbd36da73662cd59
PDF
Publication paged22688db0ca8667c20fbaf428a2b5c04629a91bf2535435055030739face5d11
Manifest68086071ac4b536b548a52586fad9ed1dedb59cedc36d68cdb10b3c147947afa

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
SignaturekD7f3OR11HKGgOz7I/BFTkUU0d15YFrR0Lo0atLvfabjGRCGWQBIKWuC1mXrJYTDOltzbKcms9Ma8M36QcngDw==
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

2026-09-17T10:19:16.240611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074347
observed d22688db0ca8667c20fbaf428a2b5c04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.222402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074347/manifest.json
observed 68086071ac4b536b548a52586fad9ed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.204514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074347/publication.md
observed a2c683b8cab6da14414141c0107ecda0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.184963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074347/publication.txt
observed cbdd73d83922ce3acd15f68c2ab049f9...
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.