ふたりで一つの人生を

Recording by 山本譲二.

Recording identifiers

ISRC
JPTE01604390
CopyrightID (CopyrightChains transaction hash)
0x67361fafb0e0af475dff40f00545e182bf76a926d638cd442b7da0198a588f49
Copyright registration time
2026-06-25T08:55:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:e9974ccd46c75c939caba6fe7e1c819d88f963f827294b394c39fe77535b4f82

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.