The Boulevardier

Recording by Frederic Curzon.

Recording identifiers

ISRC
HKI199113101
CopyrightID (CopyrightChains transaction hash)
0x6869c1714edeba61b114766ff4d489ba9b9244bec106f513056c9095d363f150
Copyright registration time
2026-06-18T17:18:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:c216cc89f0005d4c08e2f93c4b0f5312ff1b24275ed7e1f5a7784b03aade76f4

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.