Alma de Blues

Recording by Marta Sánchez.

Recording identifiers

ISRC
ES84S1600036
CopyrightID (CopyrightChains transaction hash)
0xf2aad11da684daf10acfd36d21dd09b61cea3377ca3db2e15d9e5825067e6975
Copyright registration time
2026-07-06T23:39:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:702a3686df62d8ee5ed845c53eaff120cab61f6d983649543accf3ff440f31fa

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.