Half Note Piece

Recording by Blåsbus 1 klarinett.

Recording identifiers

ISRC
SE5BW1300303
CopyrightID (CopyrightChains transaction hash)
0xdbda23408cd193f1134dd51d5440a64a3252ca7f965aff411108cbcf5a6d8b2e
Copyright registration time
2026-07-07T10:16:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6982b4bd524793012f2a297561968f348ea0c68290e16fecbaa6a1262b82973e

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.