Una Canción

Recording by La Sonora Matancera.

Recording identifiers

ISRC
US78T0506029
CopyrightID (CopyrightChains transaction hash)
0x19932904386df34b4f553202f67bd3d4199a24c4363fab5c40d2f6fd2afd6148
Copyright registration time
2026-07-31T05:54:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:42:11Z
Bitcoin block
960360
Canonical record hash
sha256:db06e6134180ab757324370bf0f5cf8ef106596ac3c43e95b41fc8d45a1a01e8

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.