Dueles

Recording by Calibre 50.

Recording identifiers

ISRC
QM2EJ1500013
CopyrightID (CopyrightChains transaction hash)
0x8d0a4c81e88f61d242ddc6389454a513a7514c8e8da7f0c4d41b836add8693d8
Copyright registration time
2026-06-09T04:29:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:601614b46a90512964c2f968c168d7bb0bd7cf55f3c0edd774d3277478bc497b

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.