btf

Recording by Kensuke Ushio.

Recording identifiers

ISRC
JPPC01601673
CopyrightID (CopyrightChains transaction hash)
0x371ac8d5cf66ec30d8835db04e89dd887458445a61651b7fe2bd2dd081eb3446
Copyright registration time
2026-06-06T16:36:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:2dfdbcfe8cbe39a8a4185a91c892231980b60d14947052c4706c070d4236b13b

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.