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Recording by Knock2.

Recording identifiers

ISRC
ZZOPM2344039
CopyrightID (CopyrightChains transaction hash)
0xdc1729037f574b0ddbbecbe90a4a8f204d92692f272cbd6c339044d465920def
Copyright registration time
2026-06-04T13:20:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:91bc57a8fca53e6a1b2fe42ce095eb70f627fff4625703f7680cfd7da5504839

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.