OpenTechnical

OT-2026-000071996

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000071996) never changes.

Identity and time

Publication numberOT-2026-000071996 · never reused
Internal UUID01a0ae92-47c0-7d28-b7e3-70036bbfac80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071996
StatusPUBLIC

Content hashes

Canonical textc2b25b0876cd8db990c3c5ee8789db1cccb8dbed13eebfae5b698a073420cb44
Markdown9e80fc67bcc1821e55b5a172c0020ebcdcdd5c7697a19ad57adb9ff148aede4e
PDF
Publication pagea50c5cfee91d11cdeabe0499f441b4b6bad99516e14f65370f5313b472aeafd1
Manifest0c57edfd292954e9e48584a67e3015428e2680b16f2d68361c864956400b5438

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
SignatureDaB3QwOyoG5Ca8g+RhLcc4o7dJHs8EO3M3is7lGM8pVGM2f/sEcwNz/gOYHu5N+7eU1EZiTrx+a75T2egjADAQ==
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

2026-09-17T10:23:03.350694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071996
observed a50c5cfee91d11cdeabe0499f441b4b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:03.333808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071996/manifest.json
observed 0c57edfd292954e9e48584a67e301542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:03.317393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071996/publication.md
observed 9e80fc67bcc1821e55b5a172c0020ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:03.301033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071996/publication.txt
observed c2b25b0876cd8db990c3c5ee8789db1c...
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.