OpenTechnical

OT-2026-000085228

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000085228) never changes.

Identity and time

Publication numberOT-2026-000085228 · never reused
Internal UUID01a0ae99-43bb-7eb3-bf3e-7746b8d2aece · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085228
StatusPUBLIC

Content hashes

Canonical textc52ca46a8c79a48371a7bf89aed9ff623254caa488fcaf9a1f6dd6a3148f372b
Markdownfb6cbb9156b589bad3f991f6c1492dc879c30077bc6feba694ae1bdb6d24e174
PDF
Publication page89122e780579aeb62bcce89048dfb177a79904ad5d0abd4e3754b826322a5d60
Manifest1cc425cadb228b52fb720820c54766d6fa54bf53a765352bafe222fb53b55512

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
Signature9UjMwxZ3fpojk+b9xPLBHxFwmB0m8TB78krpovK9Fm9/A/21/qTWI3jUfJtO0wasHgCDlPYRFwRrIqCjQqiHAQ==
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

2026-09-17T09:55:19.485420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085228
observed 89122e780579aeb62bcce89048dfb177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.468067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085228/manifest.json
observed 1cc425cadb228b52fb720820c54766d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.451295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085228/publication.md
observed fb6cbb9156b589bad3f991f6c1492dc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.433394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085228/publication.txt
observed c52ca46a8c79a48371a7bf89aed9ff62...
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.