My Funny Valentine

Recording by Wolfgang Haffner.

Recording identifiers

ISRC
DEA891500116
CopyrightID (CopyrightChains transaction hash)
0xac4e57feea1810d0af333fb6c9b9f9bc1d05bdef2a2886bccf74ca79b3de2296
Copyright registration time
2026-07-06T04:08:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:2565b6fadde9b09c6d55a0be168408a3d51bbe2a1b0a85f2c3609efb50a6d4cd

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.