Sixty Forty

Recording by Nico.

Recording identifiers

ISRC
USCWY2100374
CopyrightID (CopyrightChains transaction hash)
0xc115057d776a7e2cb17f7816f09d8036253d7aaab6ba24ea871643be813d89c1
Copyright registration time
2026-06-12T00:13:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:09b6dc402c1368883ee1aace7d772fd6022113b60fe9b056d7aa73f7dd87d1d8

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.