Montmartre

Recording by Birthe Kjær.

Recording identifiers

ISRC
DKABA0700048
CopyrightID (CopyrightChains transaction hash)
0x641ba8eed9eb085dc5990dbb2b47e0f757fa62b7bb9a59af5637aa25938613f8
Copyright registration time
2026-06-24T22:31:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f420e6ecc71d19a05a02ff5375ffc627724d292a68d0d44049249d1787b9564f

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.