Happy Kumamon

Recording by Osamu Sakata.

Recording identifiers

ISRC
JPCO01403930
CopyrightID (CopyrightChains transaction hash)
0x9465ca69031c67f72679983a870e4d1fca6077964f6bcdcdef8b7c39085c4d82
Copyright registration time
2026-07-06T10:25:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:35cb398a469d678100561af281361d2052c6934125c5266bcc1d93aeaa954e79

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.