Tren

Recording by Anita Álvarez De Toledo.

Recording identifiers

ISRC
QMBZ91375977
CopyrightID (CopyrightChains transaction hash)
0xc13fa97defbf3f65adf3cb6a70d7b2f633c0abc869d0c46ea0b79956706efe19
Copyright registration time
2026-07-07T10:37:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:feda2a6489fa0c76e59506bc1ed7cf044a9e677448a87d0bd839711b2aec893b

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.