Cotuba

Recording by Naomi Kumamoto.

Recording identifiers

ISRC
BRRPL0600114
CopyrightID (CopyrightChains transaction hash)
0x05ff76808b44be0e30492e991d94b4bca6b35292dc8f0fc7a9244c461a5712e0
Copyright registration time
2026-07-07T21:29:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:965046033fd290f257fbfc6f4969373c0f6958b07d4aba9d060f4f68d11e487c

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.