Martes 13

Recording by Macías.

Recording identifiers

ISRC
QZFYY2049457
CopyrightID (CopyrightChains transaction hash)
0xef349dd7ca864a74760a5f690984f17ba50cba401ce5f8d86837ae996426be37
Copyright registration time
2026-07-07T23:46:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:9dae2eb640ecc5a00827cc4f4f9737249f96efe20ef777ec684bee452fdc71cc

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.