Dueles

Recording identifiers

ISRC

QZDA42550370

CopyrightID (CopyrightChains transaction hash)

0x85b2f72f2f58fc61cdf33e3a02f087c59df1e81216b42fc253260d0c49e3a8e9

Copyright registration time

2026-07-30T06:52:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T07:28:30Z

Bitcoin block

960220

Canonical record hash

sha256:e5d31485b404b683d57a45a75f742072252cf8571e1b329682bde833ff85b9a4

• 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.