Madrid

Recording by Ólöf Arnalds.

Recording identifiers

ISRC
GBBTF1000033
CopyrightID (CopyrightChains transaction hash)
0x82a23005acf86317e8f707db7658ad24fe4b228e0b37780d97f71a923320e7ea
Copyright registration time
2026-07-06T22:27:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:c185b2112fd9603a17c22da25a1fd45f3b4dc8b80a4ac6418a6aeb9e6cbd5bdf

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.