Second Waltz

Recording by Dmitri Shostakovich.

Recording identifiers

ISRC
USSJ10800539
CopyrightID (CopyrightChains transaction hash)
0x3a2fa1b9d0e9c435ffed8e2c3cd964cb7f5d2202d60ef852b7cd98fd06ca2578
Copyright registration time
2026-07-22T13:30:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T13:34:27Z
Bitcoin block
959134
Canonical record hash
sha256:eb40d8f900f5f0cf021caa302752bed064bb765eec0a403443613ec4d7a4a840

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.