María

Recording by Francisco Tárrega.

Recording identifiers

ISRC
CH7671800023
CopyrightID (CopyrightChains transaction hash)
0x4d9a82a98e1dd008551b79f8def8bc0a4138e0aa9425055154ea07f1789c9bc2
Copyright registration time
2026-07-07T19:31:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:db6236f2da91a4b0b7d381e49644455c1d2a3b1556202bc62c9844f28881c51d

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.