Lady Macbeth of Mtsensk District / Act 1: Spat' porá. Den' prosól

Recording identifiers

ISRC

DEF059231208

CopyrightID (CopyrightChains transaction hash)

0xb2a6a6967cb147fd3346060caa03284a12f5eead3420c7e9e5b1f4e798febbb4

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T15:20:15Z

Bitcoin block

960418

Canonical record hash

sha256:289eb34c1b7fa310a3126f959ff147ec3479361488a6202ab504445be0a032f2

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.