Praeludium

Recording by Fritz Kreisler.

Recording identifiers

ISRC
US2TL0916907
CopyrightID (CopyrightChains transaction hash)
0x4a9da9b26c660fc94510c9cc7c70cc9d89633490302a25e093e253b585966fec
Copyright registration time
2026-07-30T06:45:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T07:28:30Z
Bitcoin block
960220
Canonical record hash
sha256:5903e08db48c3a1aae35a91af1d41e8d80585c3357c6facd002794368328a602

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.