Back In The Days [ASOT 229] - Original Mix

Recording by Leon Bolier.

Recording identifiers

ISRC
NLF711313680
CopyrightID (CopyrightChains transaction hash)
0x4e4e7af65975027c09064c972157d3f6f0a1d4d951ca3bb69f473c2ba355e4e8
Copyright registration time
2026-07-06T20:06:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6db9df14fc3471076e774729cbe5e93ed5f8ff2a8d6144791a5d9540ae4a37e2

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.