Utopia Bird

Recording by John Nakayama Trio.

Recording identifiers

ISRC
JPS802355146
CopyrightID (CopyrightChains transaction hash)
0xcd401a2547395f6b9c60a7e892d29b34e4960b9ece9a589d61589b8781c627b3
Copyright registration time
2026-07-07T09:14:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:9a2bff8fc1eaa2acfd004b710f633bcc48e62c538a6bc82a2bc64e792270c061

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.