OpenTechnical

OT-2026-000005860

Publication integrity record

Porous face vacuum gripper, per zone isolation, three stage ejector

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-2026-000005860) never changes.

Identity and time

Publication numberOT-2026-000005860 · never reused
Internal UUID01a0a947-4b34-74f7-8c0d-683a906535a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:13:36.951294Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005860
StatusPUBLIC

Content hashes

Canonical texte7a90d234bbd628a787d184adbeb8558df1b307a5bad473eb41468823403f8fb
Markdown2c1a1eed9df8d31c39cccfbeae5e9c0bbace5821fb3951aa6eaebf7e8b9d8c04
PDF
Publication page1dee1dc48e7b5172f7808d0798a6bc5ada47e78fa6759db330e11aaa0362b17b
Manifestbf2ac0a42ed9e2ac50d06f1829990401a2cf736e99a689c9722a7fa00ae9cea0

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
SignatureMVPXbUTgcjmrAO6LFN4VxvuKYY3egNpYbAOwpwkGNbO6EVdasL3faiUvjWxzueqa4xm3xh2LZZkind8Tu7ILCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:24.473006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005860
observed 1dee1dc48e7b5172f7808d0798a6bc5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:24.458527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005860/manifest.json
observed bf2ac0a42ed9e2ac50d06f1829990401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:24.444297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005860/publication.md
observed 2c1a1eed9df8d31c39cccfbeae5e9c0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:24.431393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005860/publication.txt
observed e7a90d234bbd628a787d184adbeb8558...
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.