My Funny Valentine

Recording by Big Muff.

Recording identifiers

ISRC
USA2P0721250
CopyrightID (CopyrightChains transaction hash)
0x153fb3f606c656ba2e52c84e1b08997a51360610b594f1be11c6b33f5c1f1127
Copyright registration time
2026-06-09T19:38:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:4677cf7eb2a051766a213975c3b560cf6bd8a807ea126a96d11660cfc526bef2

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.