ぞうさん

Recording by NHK Tokyo Children's Choir.

Recording identifiers

ISRC
JPCR01608620
CopyrightID (CopyrightChains transaction hash)
0xb035814f399501d370d07180b979e08f9cef99f7f16f24636e433640364365f2
Copyright registration time
2026-07-29T22:26:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T22:48:59Z
Bitcoin block
960160
Canonical record hash
sha256:5414adb60c6518c83891a8aa86c3d9bdda90f33a9a00abfdb7a6863813cfe4b9

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.