At the Ball, Op.38 No.3

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
GBPCP0800201
CopyrightID (CopyrightChains transaction hash)
0xd67c68975bb5c5b5a68dc1bc298a9255437273e26666b7919ad83837122984ee
Copyright registration time
2026-07-07T11:45:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:de1ba8a1c814f1208677d033340550687311d854d254db620b87e575808f78e2

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.