Sharps And Flats

Recording by 神保 伸太郎.

Recording identifiers

ISRC
JPR502150050
CopyrightID (CopyrightChains transaction hash)
0x6f85f4dc232227ad120dc44c7337da784a6d76242d30a82511bee61c4a88c9d9
Copyright registration time
2026-07-31T07:49:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:ac594b08e44cb28bd7066e7c3022e448da37cdfbd72e745a00a07876c94596a2

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.