BK 2 NJ

Recording by Marco Polo.

Recording identifiers

ISRC
US92U1307010
CopyrightID (CopyrightChains transaction hash)
0x26618fb08c2bf6320fe4e638fb0f9941b0c3a90fd054465083855f0199c0fe64
Copyright registration time
2026-06-24T12:52:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:445636c8b03eef059fc031af86d39131f30a32a6663fa4c3067a78173a5cc657

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.