A Quiet Sadness

Recording by NyKuo.

Recording identifiers

ISRC
QZK6F2452279
CopyrightID (CopyrightChains transaction hash)
0x75f33bef140254e76e912e097959120d5314f77037b230d480e3d3bdbc88ce2d
Copyright registration time
2026-07-06T19:51:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f44218ec92107dfd7a7148c837bcaf4bf2aa95f28bc5c03bce042c3998ba76bf

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.