OpenTechnical

OT-2026-000100450

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000100450) never changes.

Identity and time

Publication numberOT-2026-000100450 · never reused
Internal UUID01a0aea3-66ef-7502-884f-eff0e2ebdda8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100450
StatusPUBLIC

Content hashes

Canonical texta2ca0aec7292361316c37e0a1daca52b73528fde29fbd1df1d13f4bfe2d8e0a4
Markdowne02ebd629bdf8fd9e6d75c2de5fe7ea8124b731562846a343afcf3defdf06ac5
PDF
Publication pagecd356aa40a9da8cb3fcccae3ab20b10ee863952bd2b71044c3c4811b40043448
Manifestead41a25010b66c0264633401c06e4acc3a78cefd8637158d822cea994e93a17

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
SignatureRcwZlXCtMAD3Mqn0IJy55X6FePhYP+PsRM5rNZeNmTDMFOut4EUsh3byTd1RTUIMtk4zGrh93AEIu4P/uxxzDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:11.818567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100450
observed cd356aa40a9da8cb3fcccae3ab20b10e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:11.801689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100450/manifest.json
observed ead41a25010b66c0264633401c06e4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:11.783198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100450/publication.md
observed e02ebd629bdf8fd9e6d75c2de5fe7ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:11.764041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100450/publication.txt
observed a2ca0aec7292361316c37e0a1daca52b...
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.