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Recording by Duch.

Recording identifiers

ISRC
QZFZ32234613
CopyrightID (CopyrightChains transaction hash)
0x42c1f19828e94f86f72970c34ef090e01f301aae3ab3d055a2659edc5fc7a236
Copyright registration time
2026-07-29T16:05:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:d5a05d76e0902ec28258a16042f15e745541748737eb6927e791aa44bf16843d

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.