Swan Lake Suite, Op. 20a: 1

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
ITS041712515
CopyrightID (CopyrightChains transaction hash)
0x467fc6834acdad1e377cc08475aae81d0ed95f8fb1e0648fac57c7672ff90bae
Copyright registration time
2026-07-07T18:31:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:9bd06862465d659979bc4f6a057a6543ec83312521a78e765f797a5f82a1341a

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.