Snow Nocturne No. 2 in B Minor

Recording by Carlos Marquez.

Recording identifiers

ISRC
GBSMU5124490
CopyrightID (CopyrightChains transaction hash)
0xd4ec447b94ee06ef8221cf1da6d309b6ad42847eed05b1a87f4439c8ab6f3ca7
Copyright registration time
2026-07-06T07:45:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:1717c756d3222339e4c66a95fb27088f41e1863199d0a2794ceb5d77d8b6462b

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.