Carmen: "Coro de cigarreras"

Recording by Georges Bizet.

Recording identifiers

ISRC
QM6N21552607
CopyrightID (CopyrightChains transaction hash)
0x70b3e325364cc98bca82d6f423d71665445a6b08fb8cfccbb76959278ba845e9
Copyright registration time
2026-07-07T15:09:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7ca37748ef7de0800d1185c9db2f43707a6120e38b644c6cae949c1cc1afe9b4

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.