Barcelona

Recording by Halldor Mar.

Recording identifiers

ISRC
ES81G2500012
CopyrightID (CopyrightChains transaction hash)
0x459211e2a9b109e70a156310d097da48030a2dc70f127464e92f55151497407e
Copyright registration time
2026-07-30T15:41:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T16:01:17Z
Bitcoin block
960276
Canonical record hash
sha256:c0f06bb1f2370859ab3fd1da48b17502db608991318a334ded909ed2b6080a79

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.