Tsunagari Hajimeta Aratana ito

Recording by Takatsugu Muramatsu.

Recording identifiers

ISRC
JPZ921712129
CopyrightID (CopyrightChains transaction hash)
0x20c751155c3d884d91f401843e33dd6c85ff3a75d5c97e862c0630b89b8bd511
Copyright registration time
2026-07-07T04:18:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d001903c2b81feebbd24ca1ce1b19b734aecca7393ed2479c83e310631558992

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.