ふたり酒

Recording by 川中美幸.

Recording identifiers

ISRC
JPTE08046570
CopyrightID (CopyrightChains transaction hash)
0x3e6ccadb7a3d10de26da1f42122bb8615d4616a39d74c91a4c18c4c77dbb0d2e
Copyright registration time
2026-06-05T06:31:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:049736a91706703a0fb6c1e95f71f635a6de6ebad14a58615f72d873159f5430

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.