La 20

Recording by Édith Butler.

Recording identifiers

ISRC
CA06H2100134
CopyrightID (CopyrightChains transaction hash)
0x88a821eb733f0e683694dc2f54badc4b96910a7027069c5503aa57ef2c1c913a
Copyright registration time
2026-06-23T16:53:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:652398d563e028219fadeace0844c41d250493693c19ac9f6c57a4eeba6165ec

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.