あの子は珍しかったのさ

Recording by Yukadan.

Recording identifiers

ISRC
JPFL08900370
CopyrightID (CopyrightChains transaction hash)
0x13b4f6d3fa310c59755d7b851df5c8ca798d397ae0340ef86c429744454e5cd0
Copyright registration time
2026-07-07T20:50:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:e8efe2d0b2843bf2204778ca447300eb62f3d2eb467b1f174639837fda21d853

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.