Barcelona

Recording by Marmi.

Recording identifiers

ISRC
ES5702201117
CopyrightID (CopyrightChains transaction hash)
0x3986d520509141b73dbcbe6220e6462896a266cbd7ff43b8ad3fc02b6d9b50ca
Copyright registration time
2026-06-08T05:27:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:7412339223fce3fc7f1ff45789cc8db382441e26d6e154546e1b92725cbb4ac2

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.