OpenTechnical

OT-2026-000091041

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000091041) never changes.

Identity and time

Publication numberOT-2026-000091041 · never reused
Internal UUID01a0ae9c-c012-7ff5-a17f-a9c8ac3e8dda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091041
StatusPUBLIC

Content hashes

Canonical text7d5027796fe69a0be30aef86a1f91f45149d95712c2998a54b64db8bdc5f9d7c
Markdown2276adeb2c078aa7ad36f818a822213b0daa386e4666e9de41ec34f0a2272b07
PDF
Publication pagee693caf97fdc1a9c5c8599107d8bb662f6fe40ee5d44ea386e0adda1b602e8a4
Manifest06493c5a513e19396cc96c3b14fc5d2d7a417a6fa8fa1c9622c8ed89a53b17be

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
SignatureX5PuEJD6Bq5vFkMP4Z7D+mMLEglNHyR1GRexBXvZZpdpreOuVsDCn89+efu/8VZcohkQzoQt7sUmCxEH8bDbBQ==
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

2026-09-17T09:43:53.476407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091041
observed e693caf97fdc1a9c5c8599107d8bb662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:53.460022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091041/manifest.json
observed 06493c5a513e19396cc96c3b14fc5d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:53.444204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091041/publication.md
observed 2276adeb2c078aa7ad36f818a822213b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:53.428364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091041/publication.txt
observed 7d5027796fe69a0be30aef86a1f91f45...
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.