minimal nocturne no. 1

Recording by Carlos Marquez.

Recording identifiers

ISRC
GBSMU3566199
CopyrightID (CopyrightChains transaction hash)
0x29252f9ab557ce033d447027322c1095fe2118f0dca5e5dee1174245780e59e3
Copyright registration time
2026-06-07T22:25:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:cc787d455e1744b390dff741df3e27ea11b510b7719659a3b0b3b64b519d2d16

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.