Hungarian Rhapsodie, Op. 68

Recording by David Popper.

Recording identifiers

ISRC
USSJ19200046
CopyrightID (CopyrightChains transaction hash)
0x358eaa869b0ef75097ab73fb8c44bae3d643d3da3af1f22befca3486f3d02733
Copyright registration time
2026-07-07T06:01:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d610f55f63406ab619dbd576756e63283764acb2e3bf434b42a4b62cebd4b273

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.