とんとんとんとんひげじいさん

Recording by 米澤円.

Recording identifiers

ISRC
JPKI01521616
CopyrightID (CopyrightChains transaction hash)
0x7ef647b73dcc043359eeefa039323a359cc60e89e651d899feedd2a192b071fe
Copyright registration time
2026-06-22T10:15:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:3e1a45c30f660e14c2c4bff96a20882e8b5e16586877982659f449e4c6cf951b

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.