Madder Sky

Recording by Kotaro Nakagawa.

Recording identifiers

ISRC
JPG750800404
CopyrightID (CopyrightChains transaction hash)
0x694e65645ba5a8c22458d7e7aa1cf52ae6bbbb34bcfca64596bcd27c93ed605c
Copyright registration time
2026-06-05T20:47:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:fc9b4fefcc3269b1413b1b147943c0c306564b5839869ebe53ce5a9a696c16bb

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.