Waltz of Things Past

Recording by Elena Kats-Chernin.

Recording identifiers

ISRC
AUAB01650159
CopyrightID (CopyrightChains transaction hash)
0xe30f24fb95d6cccac3b9c0948b6398fa97a270c508f5097ba8837735549ee5a6
Copyright registration time
2026-07-07T03:06:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f913a8f1243facdbfd6ca7cda540f72223b505e2897f0e5dfffeac63d6317c65

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.