OpenTechnical

OT-2026-000000838

Publication integrity record

Pressure sensor device having an oscillator including a membrane deformable to ambient differential pressure

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-2026-000000838) never changes.

Identity and time

Publication numberOT-2026-000000838 · never reused
Internal UUID01a0a673-e51f-748d-b653-c5e2adf96fbe · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:28.288326Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000838
StatusPUBLIC

Content hashes

Canonical text1fdff814f04319da604898e1a038a35ec1e72afb09fa54db37544b137c44d058
Markdown8c3d3016cae92d79f1dc1c31d572eca6b50fc2d40a3eea0e4a0ab4db50775018
PDF
Publication pageb61a585c0a0a2e5a36e4edcc96346d4eec451b6a14365023dea01674ca0b7e54
Manifest0a9d34b923b8c7cb9334f7b33dfe31e2db47bfd614ee305c88b6b4512175d28c

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
SignatureUieiPnEQikKQao6S55lkSbhEEdtfJNNEEZJQRN/0o17skmztQAENWXpyT7J+2qiiFJ00qB2F+yWsAS2gqSiFBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-10-19T04:23:29.023827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000838
observed b61a585c0a0a2e5a36e4edcc96346d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-19T04:23:29.005845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000838/manifest.json
observed 0a9d34b923b8c7cb9334f7b33dfe31e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-19T04:23:28.992695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000838/publication.md
observed 8c3d3016cae92d79f1dc1c31d572eca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-19T04:23:28.904641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000838/publication.txt
observed 1fdff814f04319da604898e1a038a35e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T20:30:29.278233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000838
observed b61a585c0a0a2e5a36e4edcc96346d4e...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:30:29.246258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000838/manifest.json
observed 0a9d34b923b8c7cb9334f7b33dfe31e2...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:30:29.214202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000838/publication.txt
observed 1fdff814f04319da604898e1a038a35e...
fetched by instance-3.rotem.ai from 127.0.0.1, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent