Second Nature

Recording by Bon Iver.

Recording identifiers

ISRC
QZ8BZ2100997
CopyrightID (CopyrightChains transaction hash)
0xe99daed761ecec0d92a74679d039018aafc6d7dc5284b4cbf02321886570bf5e
Copyright registration time
2026-06-21T17:22:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:402f8b7a4a52afb253f11987a75303cad791cb9ef197665eae839ffd4c1f4a8c

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.