Trepak from "The Nutcracker Suite"

Recording by Modern Mandolin Quartet.

Recording identifiers

ISRC
USWH19001123
CopyrightID (CopyrightChains transaction hash)
0x6128c2550eb31fef8c4eda972c5febbb21bc1c6207405b00fa5e7142144ef495
Copyright registration time
2026-06-27T04:05:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:6fc4136431fd94f77f6fdcf989109483b7d91a72603eae819a93fcfc19c005a0

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.