Theme (From "Smuga cienia")

Recording by Wojciech Kilar.

Recording identifiers

ISRC
PLA161851104
CopyrightID (CopyrightChains transaction hash)
0x25e15f8616984d124540ce277eba3ff31cbcf304d916f8dbc3e9f91f024cee00
Copyright registration time
2026-06-09T06:29:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:15a5dcc2998478ae1693aaf0977a0968e59d8dc790df41c9d934a109029bd1cf

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.