Blue J

Recording by Niels Vincentz.

Recording identifiers

ISRC
DKD5T2200402
CopyrightID (CopyrightChains transaction hash)
0x4ff06fb83a36a91773991600b4a2f198e3559edc4f072b016b35b5fb034fe103
Copyright registration time
2026-06-08T21:36:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:dcf975e89ddf165c75ed69f2e23dbc8ac1e1436a24d9a81d8f2a661e21e7adf3

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.