Rigoletto-Fantaisie, Op. 38

Recording by Karl Doppler.

Recording identifiers

ISRC
DEPI82509616
CopyrightID (CopyrightChains transaction hash)
0xe285bccc07c2d28903bf16afa767fd0b5e968865f412a8b563ece21f697eea6f
Copyright registration time
2026-07-30T08:09:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T08:30:10Z
Bitcoin block
960229
Canonical record hash
sha256:697089a392c3efc4b6ce632824c55036667a2b3e9e2b4bb6f8dc7dd2be06552d

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.