Piękny Sen

Recording by Duet Karo.

Recording identifiers

ISRC
PLA881700035
CopyrightID (CopyrightChains transaction hash)
0x9a0184770bee2707976c10e6a287100020c3380f961b9675c602fcc4b28190b9
Copyright registration time
2026-07-08T00:12:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:97867d71117fea622f040e76c1700c67b2c50d8f7cd8e460841fc3e95c5116f4

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.