Lieutenant Kijé Suite, Op. 60: IV. Troika

Recording by Sergei Prokofiev.

Recording identifiers

ISRC
DEF057700241
CopyrightID (CopyrightChains transaction hash)
0x6444c21d6dbfdc7f82a0a741f4ea9a2f73decb921c873144df8e61b1077f9fd8
Copyright registration time
2026-07-30T13:51:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:8cf7eb56ae66f511093c97fda769a8727d2c8d17d0b0bb1c67798677cae5b65a

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.