OpenTechnical

OT-2026-000003494

Publication integrity record

Keyed Shim Stack for Repeatable Fixture Height

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-2026-000003494) never changes.

Identity and time

Publication numberOT-2026-000003494 · never reused
Internal UUID01a0a6ec-9b69-78b8-9e4f-053c720594e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T21:15:19.335012Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003494
StatusPUBLIC

Content hashes

Canonical text594a7aa04ade069f89d070eb423e474e76f3add51ffbfcb471c12784c7a69db1
Markdownf65666e5f9eb83feb6d2a1a029f3a68d0982871ae1b695bd505b80783fbdfd3b
PDF
Publication page024e9d8c0eefc721f06e97c3c5cb2c0b51c5883bd27b4ef7de6dcc21a203e31c
Manifest3b919fe01a6c66446a6b5024f6a6347139af3c291ebdbbced3bea3067df4e084

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
Signature+nsP26heUrGqayrfwTIiufm/90EYoQWsWEBJM20GHKJHxwg5s0+5VTZC8TUparFSqP8AN0mXLBxTSIQvmIRlDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T21:15:27Z
batch OT-TS-2026-W38-007 · RFC 3161 token · inclusion proof
root a7f396a24980a1f390868e74381ed470...

Independent retrieval

2026-09-15T21:20:02.601841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003494
observed 024e9d8c0eefc721f06e97c3c5cb2c0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T21:20:02.570594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003494/manifest.json
observed 3b919fe01a6c66446a6b5024f6a63471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T21:20:02.541793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003494/publication.md
observed f65666e5f9eb83feb6d2a1a029f3a68d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T21:20:02.498231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003494/publication.txt
observed 594a7aa04ade069f89d070eb423e474e...
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

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