OpenTechnical

OT-2026-000030924

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off before 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-2026-000030924) never changes.

Identity and time

Publication numberOT-2026-000030924 · never reused
Internal UUID01a0ae74-3fb6-76db-ae81-9ac9e6acbb75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030924
StatusPUBLIC

Content hashes

Canonical text883f2edad4cb95a95cdbcdf8e38d29afea92e4485d0b21f4127a727136a741dc
Markdown07c00da1365d6acb93176f4e3f37e54ec2c1cb7cb33518f8d9943bed0e2f6132
PDF
Publication pageff385d34237617fc86621718e7b202e2f8edbee0d01a2d5101b37aaaa30e3251
Manifest26950db48bf0bf6d0c19fd2a62a22005f881e9d74bd8e8f81edfc179762d82f4

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
Signature4XrvuoR8muZHvAsUn5C8rSlyPl8onuA5kZ7mTq1tEtWcmkmfv7+slQAOKBEFqzJphLMNdzuZuI9k+Cn+uIrLAA==
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

2026-09-17T11:36:55.091532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030924
observed ff385d34237617fc86621718e7b202e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:55.074375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030924/manifest.json
observed 26950db48bf0bf6d0c19fd2a62a22005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:55.052583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030924/publication.md
observed 07c00da1365d6acb93176f4e3f37e54e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:55.034428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030924/publication.txt
observed 883f2edad4cb95a95cdbcdf8e38d29af...
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.