Ay! Cosita Linda

Recording by La Sonora Matancera.

Recording identifiers

ISRC
US78T0505732
CopyrightID (CopyrightChains transaction hash)
0x4744dfd6969bb307d2fa853436cf268c58cf7cec3796ccdcc706a52bfb8211fb
Copyright registration time
2026-06-18T23:58:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:1a50b6dba11b9bba5971e78569090e472a0efe67a6d178294b37531b53e8f016

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.