Elfentanz, Op. 39

Recording by David Popper.

Recording identifiers

ISRC
DEF055490206
CopyrightID (CopyrightChains transaction hash)
0xfa8edae70eadcc2984de9f4aa913e9894ad0de80c86019a1cbf9fff6d3a4dedf
Copyright registration time
2026-07-30T21:21:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T21:35:24Z
Bitcoin block
960317
Canonical record hash
sha256:b414376f93ffbb941d617a6b338632a935e5f9cbb0206055e2d0d7cc86e13372

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.