Lounge Symphony (feat. Focus)

Recording by Roberto de Lujo.

Recording identifiers

ISRC
NLEA21500022
CopyrightID (CopyrightChains transaction hash)
0xd4d4ad977b9610e5e5149183c2bba6a07a40fab0bf0a5e57dea8d46fb75105de
Copyright registration time
2026-06-20T19:35:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:7a231bbbc3ba6ef532afe784d4cc11a5bdde21ce830a9df5b20d31e064d92bac

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.