Koi

Recording by Mattogroso.

Recording identifiers

ISRC
USHM92087267
CopyrightID (CopyrightChains transaction hash)
0x0d3b140c6e440d3d2c87a8a8e77d20faaf5f5432fb65adec8b6a653ee819e98f
Copyright registration time
2026-07-30T10:56:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T11:13:28Z
Bitcoin block
960250
Canonical record hash
sha256:4470e01ecb856477ebb42bdfe44d51b2537176e678499a1de29003deb095d88d

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.