Don Karol, Pt. 1

Recording by Zbigniew Preisner.

Recording identifiers

ISRC
FR13V1400038
CopyrightID (CopyrightChains transaction hash)
0x2ec3191dc823aaf83f1eef2ef656e0d218a7e1297627542524503c31887a0801
Copyright registration time
2026-06-22T05:57:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:57212d20f7538c5fbe50dc703043996ba5034a6cab8c48ac207a9ac0048fc478

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.