Second Turn

Recording by Jonas Steur.

Recording identifiers

ISRC
NLE710620923
Release date of the album this recording appears on
2009-08-04
CopyrightID (CopyrightChains transaction hash)
0x17d1f90879f48d900a025afb33f3bae7f9ade9a56c3d29ba57f1b54874eb107a
Copyright registration time
2026-07-06T18:53:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:0313b1035f3e1894028552cd8c091fb97c9e41ac053639a812a794ecfa706318

What this proof establishes

This recording was released in 2009, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.