Madrid

Recording by Zank.

Recording identifiers

ISRC
GBGLW2300300
CopyrightID (CopyrightChains transaction hash)
0x7ccec674f7edf618d1dc6871400ebb5a9b81c24aa581845c945cb0bb250f343a
Copyright registration time
2026-06-11T19:29:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:612817f88857bbb32ce7e925dabb8f0e0e943c63b3c566657d897dcd09bfaffd

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.