あの頃の俺達

Recording by 潮江文次郎.

Recording identifiers

ISRC
JPR502301102
CopyrightID (CopyrightChains transaction hash)
0x9d25f9a05462d1e375e38cc784e43fe6ee1d61f530d9559eb10593ac45232488
Copyright registration time
2026-06-10T11:23:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:8f64179d7426e7fae8bb57cab484567419f75bbb19d3bc9ede43184099bd63f8

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.