Cancionero de Pedrell: No. 4, Soledad

Recording by Roberto Gerhard.

Recording identifiers

ISRC
ES8802200326
CopyrightID (CopyrightChains transaction hash)
0xbf10662ccca382ffc97fb4846d6ed5e79ef11c175c04b829b70134e8c2c0b8ca
Copyright registration time
2026-07-07T12:55:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6ad5f99a39377e08e95de0cb46129d840dba9c9486aeed9433a9975c994317e6

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.