Nana

Recording by Martin Fröst.

Recording identifiers

ISRC
USSM11507923
CopyrightID (CopyrightChains transaction hash)
0xd7aa5aa578d1c0a4a57b9b70d8ce97c5e8ccf1672b34d3fab3878fab77ac9472
Copyright registration time
2026-06-10T01:42:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T01:25:57Z
Bitcoin block
956856
Canonical record hash
sha256:ea424ef4f3c78d39f2cda6f837d291e36f94dd5bf30aeb3cd92d3ad2efec5acf

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.