OpenTechnical

OT-2026-000030336

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000030336) never changes.

Identity and time

Publication numberOT-2026-000030336 · never reused
Internal UUID01a0ae73-e501-7130-81ae-02984bba3543 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030336
StatusPUBLIC

Content hashes

Canonical textd34a8f7b8a56d1efcde604d35db7b59838d2d9cf657e6146bb37d2180c05ef57
Markdown94c5d3840da4b3db9d233a896b00841d2dd05070442b3707fb3d152291a478ae
PDF
Publication page2333148d1ea0c1a892879f19222003222b92875ad5ded3600abb3dba976fbbcb
Manifest471e36992479c992eaaffa6d3a67481aea681d37d6c91b450c61cb29d5501676

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
Signaturegmtwjf2HdTbLjaZJi8UYyBOtimXzWUebuKk4B6C2d9VcGJeV0zwhhcYTbn3gZxa51C8FYF6c5Pm0CeLt/w70BA==
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

2026-09-17T11:38:02.887991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030336
observed 2333148d1ea0c1a892879f1922200322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.869266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030336/manifest.json
observed 471e36992479c992eaaffa6d3a67481a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.848103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030336/publication.md
observed 94c5d3840da4b3db9d233a896b00841d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.829248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030336/publication.txt
observed d34a8f7b8a56d1efcde604d35db7b598...
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.