The four sections (for orchestra) II.

Recording identifiers

ISRC

FRZ130301022

CopyrightID (CopyrightChains transaction hash)

0xd8c1c1c049d690a3c0f2ba66510bdc603f55e075a2066a7a65e1d263af26fbd5

Copyright registration time

2026-07-07T16:16:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:53:27Z

Bitcoin block

957124

Canonical record hash

sha256:74baa57d45038cf0410e80487e5170db7331d759e9b595996e07ddd6eb4c7ff1

• 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.