Rigoletto, fantasie, Op. 38

Recording by Franz Doppler.

Recording identifiers

ISRC
HUA253164807
CopyrightID (CopyrightChains transaction hash)
0xd645a6c14b31361f63ede0309e8bc06921356e6c84b80df241e2b303c6e0fbd8
Copyright registration time
2026-07-08T01:19:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:154175f24841fae016c30fe67cdec7d52f17763d673aa678e908d6b0c8cc1c7a

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.