Canción del ruiseñor

Recording by Maria Ostiz.

Recording identifiers

ISRC
ES5087900050
CopyrightID (CopyrightChains transaction hash)
0xd0306c5de6fe45675ab7886993482144d43fc4cb6a2f9691cb787f957ccf0b94
Copyright registration time
2026-07-07T04:35:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:490bdfd67923bcfe16d38d6d1a9fdf26f331656d96b3d69e71e4b5cb27b753d0

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.