Concierto Son II, De Tierra

Recording by Arturo Márquez.

Recording identifiers

ISRC
ES71A1208402
CopyrightID (CopyrightChains transaction hash)
0x7f61a2069ef11bcf9ebc68a9c73b83fd060ca9f22581147fefb84766492f6b3c
Copyright registration time
2026-07-07T05:54:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:825f2251c72db0763dcb222b474c87458f24d7606fdd58d12d26c8c113609625

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.