Enfant perdu

Recording by Wolf Biermann.

Recording identifiers

ISRC
DENE27200004
CopyrightID (CopyrightChains transaction hash)
0xfaeb19535fc5a079b181ce60eebda6ce23d59c92c9e89cc62d6b03828508773f
Copyright registration time
2026-07-29T21:38:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:51:49Z
Bitcoin block
960150
Canonical record hash
sha256:5970e4f804bf7939df5d8347c59641db16c536885e2f3ae8ca60162a20bb53d2

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.