Du

Recording by Hedvig.

Recording identifiers

ISRC
NOZ7F1902006
CopyrightID (CopyrightChains transaction hash)
0x45164675ab4b4d9d3defc2f8765fcaa413654589ae7a216921382c90a097cc8a
Copyright registration time
2026-06-10T18:25:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:4a7a07ad3a5287ccdafcc18bedee0cc963e3837e737b33cdab1d74656d9869f6

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.