OpenTechnical

OT-2026-000062291

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four 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-2026-000062291) never changes.

Identity and time

Publication numberOT-2026-000062291 · never reused
Internal UUID01a0ae8c-0abe-7782-ae28-21d3cabdbfba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062291
StatusPUBLIC

Content hashes

Canonical text991a8a62f26315de6a417b75d9741fa463c82edab120e3c8025749fb5f4e725c
Markdown08740515407cd7665afcd2b99014581b7521d1beb63761ed14c3effe885568e9
PDF
Publication page5f1e0ef201144c44e7d2ce2399d145239be08ced8ed12bfb6d242f15169c02fc
Manifestb221dd3156b498499961a5fcbd2da2c0bc3a8834617029986124c4575956bd5f

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
SignatureWCkYdD5JvS3Xk/4nk5bnBIQ8diLj3oT8zj0maI/Jzn6tzYiQsZw/iIs9Q1fQdaalue3jRWdmZVz3bRDcM6ApCg==
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

2026-09-17T10:39:34.607573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062291
observed 5f1e0ef201144c44e7d2ce2399d14523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:34.588987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062291/manifest.json
observed b221dd3156b498499961a5fcbd2da2c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:34.571395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062291/publication.md
observed 08740515407cd7665afcd2b99014581b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:34.552843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062291/publication.txt
observed 991a8a62f26315de6a417b75d9741fa4...
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.