Second Flute

Recording by Zbigniew Preisner.

Recording identifiers

ISRC
FR13V1400011
CopyrightID (CopyrightChains transaction hash)
0x55cccabf2407f79ca83b29d881631ab4b9ba6c15dce5222cadcd14d59e286ace
Copyright registration time
2026-06-09T09:42:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:5d68ebe89881678b51cb7140e3eb18d02cc36ec94f0d0a73d0dda2652f61030e

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.