Moderato (From “Swan Lake”)

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
DEUM70709239
CopyrightID (CopyrightChains transaction hash)
0xf3d6f479c3bbd237372b8ec1c0d263052d13514c061b949c3ac088e2d29a5689
Copyright registration time
2026-06-08T19:24:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:d5cbfef7a5629bb2336a3ae1f02377fc3c21f21a5e5475ed092df218b7b2c95a

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.