Kołysanka dla E.T.

Recording by Natalia Kukulska.

Recording identifiers

ISRC
PLA248627673
CopyrightID (CopyrightChains transaction hash)
0xc0c228492a7d9699b82970fb76e40ae211e4b706cb9be84762a1df4d3b8024a3
Copyright registration time
2026-06-08T14:51:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:4a4c6a2f170146829bc02028a7a885fd545f0d6084383dc1decefce050b424f9

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.