Zurich

Recording by David Holmes.

Recording identifiers

ISRC
USQ4E2400790
CopyrightID (CopyrightChains transaction hash)
0x152b80330b4ef8a54a93e16610e4c3a38801c9f6ecdd0dfd814ec35eeeda9056
Copyright registration time
2026-06-09T03:25:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:3de5bcc529f0e4c6745a5178cddd8df46c94411220657dfa615249743d7a69c3

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.