好きだから。 - Instrumental

Recording by 『ユイカ』.

Recording identifiers

ISRC
JPPO02104127
CopyrightID (CopyrightChains transaction hash)
0xb894644417b4877c177f72e2c0e7062765409fc5eeb25daaf6a93a50b393100a
Copyright registration time
2026-06-11T01:46:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:643a56937787ecaa4ecf525d082ecf9e72e23e5706089af3ca242858f048bc55

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.