The Nutcracker Suite Op. 71a: No. 2a: Danses caractéristiques - Marche

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
GBJ2F1011136
CopyrightID (CopyrightChains transaction hash)
0xebc65e4d478b5b96b70d641d2255f010a267d8184a4cbc466673512dfb152dee
Copyright registration time
2026-07-30T15:38:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38Z
Bitcoin block
960273
Canonical record hash
sha256:8f6758d23d610370c46cfda48028dbaa266a7966455508ba17a137c94bb9aee1

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.