Don Karol, Pt. 2

Recording by Zbigniew Preisner.

Recording identifiers

ISRC
FR13V1400041
CopyrightID (CopyrightChains transaction hash)
0xc381c4339154bf8cc49ae8e6c6745a9f7b9e9c91eaecceeede6d6d163d667c58
Copyright registration time
2026-06-24T06:53:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:34c6a8397ca46b1ba3969acec13b9eca921ddb51722451665d1b28aa65f22a22

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.