Suite in modo polonico (Excerpts): VIII. Kolysanka No. 2

Recording by Alexandre Tansman.

Recording identifiers

ISRC
HKI191906624
CopyrightID (CopyrightChains transaction hash)
0x950ec0e2e45cdfa26b075850c91fc99f4f916c318a1f6e85d6486b9997db6829
Copyright registration time
2026-07-31T10:34:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:58a39fed5ea251e4ba4b84c44a2d436373fbe6a356ef53fb619784dd3466df87

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.