OpenTechnical

OT-2026-000003090

Publication integrity record

Pressure sensor device and suction release apparatus

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-2026-000003090) never changes.

Identity and time

Publication numberOT-2026-000003090 · never reused
Internal UUID01a0a689-13f8-74bc-b547-ed03f65fd97c · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:26:36.536531Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003090
StatusPUBLIC

Content hashes

Canonical text97ca19b56fd0737df6d9dc84525194ad60f52cb1cbda8bb63ffa5dd0a84bc8ef
Markdown3ac3c7a7e3048b1f375480388849ea012a35483c8c52dd7d6e4fde5388db3200
PDF
Publication page3af4a0648ea5ad423a7037df9a7cfbf51eb86f28fde11bb6d50c74e8885e6c06
Manifest26a5acba83de7212f50401e7949eba04d4e3f55cc9a2550896690334faf68d42

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
Signature5Dy3HgIlfkfft6mz1rMXLOTlVgUwVZHZPEGAFpBZRvZAfIQekergJC25vEg/GehbsLCFpvNB/vvaq4H2VOEKDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-17T04:23:14.886398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003090
observed 3af4a0648ea5ad423a7037df9a7cfbf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:14.873029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003090/manifest.json
observed 26a5acba83de7212f50401e7949eba04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:14.858902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003090/publication.md
observed 3ac3c7a7e3048b1f375480388849ea01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:14.796643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003090/publication.txt
observed 97ca19b56fd0737df6d9dc84525194ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T19:30:04.181866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003090
observed 3af4a0648ea5ad423a7037df9a7cfbf5...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:04.131504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003090/manifest.json
observed 26a5acba83de7212f50401e7949eba04...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:04.115814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003090/publication.txt
observed 97ca19b56fd0737df6d9dc84525194ad...
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