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Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
USSM12003856
CopyrightID (CopyrightChains transaction hash)
0x663a1f00fe11b7b99be74378a517ee935ef72a9f3e6de4f4f893c022ac288d62
Copyright registration time
2026-07-06T20:29:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:db38bbf558dd25dbd0da0c6e3cc4fa22a09603757f5c623bf95bf10eca0f89ba

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.