Porque

Recording by Alejandro Lerner.

Recording identifiers

ISRC
ARF039200246
CopyrightID (CopyrightChains transaction hash)
0x5ba1fb11879abd5212c76a56b0d9a0ba231474ef3a0599744c8571c6f7c91d49
Copyright registration time
2026-06-21T04:17:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:f04c2665ad017ae330db375874d6fc030366b061ed2937915720a52130c91ad9

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.