Chôros No.1 in E Minor, W 161

Recording identifiers

ISRC

FRZ207103000

CopyrightID (CopyrightChains transaction hash)

0x00730f32e0c8faa0fb13e22c30db534d070739c82fde15c2226b13eb809eaf41

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T08:26:41Z

Bitcoin block

960368

Canonical record hash

sha256:d0e6a6be7c0d0f79a826934fd0f11189406fea6ea1620ed77771e2cf066bf9a6

• 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.