Act I: Nutcracker and Marie Depart for the Pine Forest

Recording by George Balanchine's The Nutcracker.

Recording identifiers

ISRC
USNO10200726
CopyrightID (CopyrightChains transaction hash)
0x770251e73e0ee264dfa30b9885f85a892b71576a0748e7b6ea756794cb5e315f
Copyright registration time
2026-06-06T11:24:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:81012624e5f7593ab698d41e47c51e507fd63f4c4e1121c7257d3ca7e26dfbb3

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.