minimal nocturne no. 7

Recording by Carlos Marquez.

Recording identifiers

ISRC
GBSMU3566205
CopyrightID (CopyrightChains transaction hash)
0x27f1297981e015d9a3030fe4c1d0ccbfba51c3a524d04d18cc38a9e34e980228
Copyright registration time
2026-06-23T17:09:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:1a158aaf3ec2f5199dc36d6fa2add0a865bbf4921fbb8bf56b3fcf3bb8ef5fd1

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.