OpenTechnical

OT-2026-000000747

Publication integrity record

Probe for measuring static or parietal 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-2026-000000747) never changes.

Identity and time

Publication numberOT-2026-000000747 · never reused
Internal UUID01a0a673-c682-7dbc-bb49-454c49fcf097 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:20.450758Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000747
StatusPUBLIC

Content hashes

Canonical text968954df1358f6f06c99887065db2fd98a614d97ca07169b25ff7b85cdd2394f
Markdown9ac5fad34b1f92500a47d5be7ad756b24f114b77baea38885de7b9f0560c6cbf
PDF
Publication pagee340f3b7e6a51605151c13853011a4bed08ba1a5c528a836e1e10661a13a9343
Manifest0feb899d43b0ee38ca1967438d931bd4cc56c261a814c07ef9295f1c78293930

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
SignatureQxUJ1l6suORQo453JLsmNbsvW7FXlxaZiAZiSsgGSsp8iD/gY0fF4DwzoxPjtVBAhk3DE+f+0zOCkdhJ08QFAQ==
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

2026-09-15T20:40:08.993152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000747
observed e340f3b7e6a51605151c13853011a4be...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:08.961559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000747/manifest.json
observed 0feb899d43b0ee38ca1967438d931bd4...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:08.825530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000747/publication.txt
observed 968954df1358f6f06c99887065db2fd9...
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