Popular Songs for Marimba: A Fairy Tale

Recording by Ernst August Großmann.

Recording identifiers

ISRC
DEA140433002
CopyrightID (CopyrightChains transaction hash)
0xb585d3e94f4cca0ced975e1b087c074d87304b02efabb0b1ce3794562ac739b8
Copyright registration time
2026-07-07T13:26:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b8b247116b11e16abf56c6c62368019c49072983389200bc2921c300c5fea585

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.