OpenTechnical

OT-2026-000032926

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000032926) never changes.

Identity and time

Publication numberOT-2026-000032926 · never reused
Internal UUID01a0ae75-4842-7278-941f-516716e98ca6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032926
StatusPUBLIC

Content hashes

Canonical textfa4101cafb246c43b7650b79f88b1cbe32baefa3323e9ec5b58a7211f11776b2
Markdown31ce3b39cee5baf2662f9de4d3afc7e87ba262b54c8611d1238dd90661b8e050
PDF
Publication page86571532d9a5c10f83bcf64225047d9cb106489749350aa688d303f30fa4d015
Manifestd459d9c18fdfcc64258c293c3923bdb0f79d78a8cd60a6f3ad8b4e54ff1f0909

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
Signature1a3ErkB3fnY66T+vnySUmRtwX6zi9PKahAJjqwOgD+sKbbbq5xVp2LOW+zez1ckl4eqR+ZQ1FZI3HoA3/gy7BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:31.329192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032926
observed 86571532d9a5c10f83bcf64225047d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:31.312057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032926/manifest.json
observed d459d9c18fdfcc64258c293c3923bdb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:31.295043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032926/publication.md
observed 31ce3b39cee5baf2662f9de4d3afc7e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:31.276680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032926/publication.txt
observed fa4101cafb246c43b7650b79f88b1cbe...
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.