minimal nocturne no. 2

Recording by Carlos Marquez.

Recording identifiers

ISRC
GBSMU3566200
CopyrightID (CopyrightChains transaction hash)
0x0ad9ef460c45a3cfb92150153de09fcc11dd5b0073562a066b0957c30c9aa5ec
Copyright registration time
2026-06-18T06:28:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:5c793c21cf4c4d00145efa0a3d98ee5ee191d8214bb21b417d8e1f116f7e20f3

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.