Snow Nocturne No. 5 in D Minor

Recording by Carlos Marquez.

Recording identifiers

ISRC
GBSMU5124493
CopyrightID (CopyrightChains transaction hash)
0x990dec7b05670cbd264a91bca4b1d880cdbe2f68af6f1d3176f1302289652256
Copyright registration time
2026-06-20T12:54:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:6576d9730dca4d9d25229ebc14d21e117b61899090a1ef16df74e12d63f0904f

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.