Praeludium and Allegro

Recording by Fritz Kreisler.

Recording identifiers

ISRC
GBF079540901
CopyrightID (CopyrightChains transaction hash)
0xe17a0b7e6ff58cda5dc27e131f54e9f6380c8f14703d1fa283dd8667a42accf9
Copyright registration time
2026-06-07T01:27:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:d36e98ae1badca78300ec15eb1aeb978739c9c0a07cb3e0485307040213c4f5b

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.