Sinfonia Concertante: Allegro moderato

Recording by Michael Hurd.

Recording identifiers

ISRC
HKI190025707
CopyrightID (CopyrightChains transaction hash)
0xa810fc6f8dd0372bd6ce8257d53b0b8205ab259a9547188c6df64a56f5250c94
Copyright registration time
2026-07-07T04:31:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:635cede524c0613af728d50c9d899e82df1ece21da4493139ecce5ab93afedbe

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.