Contrato Barato

Recording by Héctor Lavoe.

Recording identifiers

ISRC
TCABJ1287414
CopyrightID (CopyrightChains transaction hash)
0x5fc30a3b266836d993a16567468f2c931ca7da7302c3c45de1b7d8841a0ef833
Copyright registration time
2026-07-06T06:26:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:8a0c550f2e8a3ed322f4bcc7f5a2246e9002274102008ae15951199eda87492d

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.