A Burujon Puñao

Recording by La Sonora Matancera.

Recording identifiers

ISRC
ARA821201297
CopyrightID (CopyrightChains transaction hash)
0x96a395fa414f507977954e2da77fbc92d3a31acce79ba65530fcf8248e6718d0
Copyright registration time
2026-07-31T13:52:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:33Z
Bitcoin block
960419
Canonical record hash
sha256:b3ba7edb8c64cb3bb2a98438faeebda4e18e3014c738ea34ef02b281d1271975

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.