OpenTechnical

OT-2026-000000602

Publication integrity record

Pressure sensor and method for determining 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-2026-000000602) never changes.

Identity and time

Publication numberOT-2026-000000602 · never reused
Internal UUID01a0a673-986c-7d0d-a658-dc9823865964 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:08.652897Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000602
StatusPUBLIC

Content hashes

Canonical text2f49cb787eb58a4939102179946fda95ede55c10a93c4f8674bd899b40fd0ab6
Markdown0d25ebb8d6553a22386fc49dcbbecd898a2be649ad7b81c360726fb765513dcc
PDF
Publication paged7c213c534d5fef3ae7b5d7604b9f27ec9eb2b09e70622e7779ea5158b54da30
Manifest3b171ffb31b1a7dc505bd1c574c0409a908f20062031cd4f071dc259022d392b

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
Signature2R2PvIdHkB/Cy6ZLdBV57vw6EUnx2EniApMy7QsMMDZDIiq/yF+d+o+fXAafam6T+DtyofSmERDQigaerqsPDw==
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

2026-09-15T20:40:25.328013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000602
observed d7c213c534d5fef3ae7b5d7604b9f27e...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:25.299735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000602/manifest.json
observed 3b171ffb31b1a7dc505bd1c574c0409a...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:25.287337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000602/publication.txt
observed 2f49cb787eb58a4939102179946fda95...
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