OpenTechnical

OT-2026-000030441

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000030441) never changes.

Identity and time

Publication numberOT-2026-000030441 · never reused
Internal UUID01a0ae73-e503-7d19-99ee-4c8e4a3ae885 · 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-2026-000030441
StatusPUBLIC

Content hashes

Canonical texta9cf2b22ce5b6bb71648a47fb92649bbcef7f1614af6cc38d83c72fca36033e7
Markdownd38f6a12a8b499af98469dd1344b70a21cbea7691acf53fc0cb0097604bd4541
PDF
Publication pagec280c63f55ebef2270bc35f08efc3a65082cb61de85e0aff5f4ea7bb9a4b9b44
Manifest3ab36424879107430a0068105a0bd267b14fd2d530c324522b6b31efa3ad7352

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
SignatureT/pSh/0byu6yzPzoYUUUjGrQGj2CDEMD28lq5fqgN9tzKRDc/c6kVey6jFElT73rHBYTyD4d1m8lsi5UsvSyDg==
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

2026-09-17T11:38:10.929216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030441
observed c280c63f55ebef2270bc35f08efc3a65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.912551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030441/manifest.json
observed 3ab36424879107430a0068105a0bd267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.896171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030441/publication.md
observed d38f6a12a8b499af98469dd1344b70a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.879432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030441/publication.txt
observed a9cf2b22ce5b6bb71648a47fb92649bb...
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.