OpenTechnical

OT-2026-000077734

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000077734) never changes.

Identity and time

Publication numberOT-2026-000077734 · never reused
Internal UUID01a0ae95-2ecf-7443-8855-ccd49921f471 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077734
StatusPUBLIC

Content hashes

Canonical textbf86cdce2ceabce5896fbf8c4d2f038c885f228a35929ea2efb74483fd2aa8f8
Markdownbe267edcfbd24e71809eecd23843d81905b5f97de682ac7f4f5b1b50c1ee1aa6
PDF
Publication pagef33fc76c98dc754471d558c4fbaa0c514cddbb85ceca7a7fbe60223cbd56a3f4
Manifestb701b3c569f63c81ae0cfa5050b8d3180d13841bc66733b36b3175dae69a66ba

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
SignatureFCMdCKmrczECqY9K4qI8H+fU3MX7mHL/kdDc/ofavM7QbbkQkyWW4+PWjNV8JIshhYas0By74adUO363Ou8fBg==
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

2026-09-17T10:06:56.382278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077734
observed f33fc76c98dc754471d558c4fbaa0c51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:56.362305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077734/manifest.json
observed b701b3c569f63c81ae0cfa5050b8d318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:56.343907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077734/publication.md
observed be267edcfbd24e71809eecd23843d819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:56.326388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077734/publication.txt
observed bf86cdce2ceabce5896fbf8c4d2f038c...
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.