Half Smile

Recording by Duffy x Uhlmann.

Recording identifiers

ISRC
DGA052352813
CopyrightID (CopyrightChains transaction hash)
0xa878a318ee64c45b2dde4d805940aa5603f4c762523c504f1a0c0f02ee2af967
Copyright registration time
2026-06-10T05:41:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:ecf744008243f3343818379fb3969ffee796b29f7ca5b6649378c3a01acbb9c3

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.