OpenTechnical

OT-2026-000007379

Publication integrity record

Porous face vacuum gripper, common isolation valve, four outlet manifold, three stage ejector, closed cell

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-2026-000007379) never changes.

Identity and time

Publication numberOT-2026-000007379 · never reused
Internal UUID01a0a97c-b049-7818-aa05-88ea17809d5b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:11:56.236755Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007379
StatusPUBLIC

Content hashes

Canonical texted5216d8ad0883b958e3bc1b3caece9d6b6e67ad1af44338ea62fcba97753568
Markdown4039c644eeb1a0f3f5e26e89b03d6b760b2ed8a2e49d1614a3fb8e55335a1d68
PDF
Publication page5d3f5b64315094012d0828500100121a20765b3811d0a69950f08f83a7764a01
Manifest3df88630cb007ef96cc5626f59c13177925827baf1d1994373734a97cf4dc01d

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
SignatureUmipsUE1iW4O1vxScr37bIEBEsdceOdXVVSTiK6FkSKDB3wMA/qbr0jo51hC0JXkYfGzXs7f26QFOFagpBKQBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:08.685947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007379
observed 5d3f5b64315094012d0828500100121a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.673215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007379/manifest.json
observed 3df88630cb007ef96cc5626f59c13177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.660486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007379/publication.md
observed 4039c644eeb1a0f3f5e26e89b03d6b76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.645589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007379/publication.txt
observed ed5216d8ad0883b958e3bc1b3caece9d...
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.