Black Sabbath (A Choral Symphony)

Recording identifiers

ISRC

USDY42206824

CopyrightID (CopyrightChains transaction hash)

0x889f04edb648b6739f83966a2df612e3cdd1a3e2b276b795d8e83e607063b309

Copyright registration time

2026-07-06T07:33:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-07T18:50:38Z

Bitcoin block

957075

Canonical record hash

sha256:77192f28e61c5379ea7d8bbedc9a4d67aa1e218706ac8a3d1e2d5e98ae50b656

• 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.