OpenTechnical

OT-2026-000042344

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000042344) never changes.

Identity and time

Publication numberOT-2026-000042344 · never reused
Internal UUID01a0ae7a-5d74-718f-a9d3-572cd265521f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042344
StatusPUBLIC

Content hashes

Canonical textcb28c690b057e208577da7da9cebdb272d8b7e1eb2c56d4b019646d54c5e3026
Markdown92df6eb478159135d6dca6d0772e72d95ac5743fb8f654874178deb3c603e920
PDF
Publication page4361486ddf7845496a9bc105ef5a6b39979da2d68e4c0cf064ea91b47a496fd9
Manifest1d4078512cb137f2f678f59a4d2a91cf372fc8f387e567d6bfb7f6fa00b1d911

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
SignaturenEHxXkPrlE+hiH4pXLp88fUGY67ATGvAeMhoomzA4QqL5lrMGNTFhjUmlzHk+cXdQmWafvhWP8XQbldNMc/pCA==
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

2026-09-17T11:16:03.182957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042344
observed 4361486ddf7845496a9bc105ef5a6b39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.164059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042344/manifest.json
observed 1d4078512cb137f2f678f59a4d2a91cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.143468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042344/publication.md
observed 92df6eb478159135d6dca6d0772e72d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.125214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042344/publication.txt
observed cb28c690b057e208577da7da9cebdb27...
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.