Barcelona

Recording by Sixto Rein.

Recording identifiers

ISRC
QZNJY2170762
CopyrightID (CopyrightChains transaction hash)
0x3c45926769a71904ec514140095ad2a256bfc4293cea5b08486d3c34088b653f
Copyright registration time
2026-07-07T00:16:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:790361c9a12ebca86d5b59ad9233622ef9b9a43f277ae4df81d1cd994d4a341d

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.