ABCD (Friend Zone)

Recording identifiers

ISRC

USAT21804279

CopyrightID (CopyrightChains transaction hash)

0xfc703dc3a10aa1198d78a83aba82727d56e387df7ebe5314fd0ddc758e03d570

Copyright registration time

2026-06-04T16:21:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-06-13T12:47:07Z

Bitcoin block

953513

Canonical record hash

sha256:d209b972fa0901cc4967fb0a0f2b88fc4d81beb790cf7328dfd9feb7017f0665

• 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.