Carta Para Ti

Recording by La Sonora Matancera.

Recording identifiers

ISRC
USDBB0951724
CopyrightID (CopyrightChains transaction hash)
0x692929194d87d1d54751bba81b04c8dd6c7cbd03c88dcbe9f20c573c2fb6a174
Copyright registration time
2026-07-08T00:21:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:22a82d81e99a7b250e7431d700bf9f0ad5172862f45972e62c4cf41a3f42ead7

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.