渚にまつわるエトセトラ

Recording identifiers

ISRC

JPSR01002407

CopyrightID (CopyrightChains transaction hash)

0xb639af7b321faf471f1b880ddb454a4a86ffc9248482bce5c04257a7f1aa8cd2

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-08-01T04:30:37Z

Bitcoin block

960509

Canonical record hash

sha256:42dcb9fb4c11e6ffe8ce9a219440c0639639ec9f661c49295557b7e6c744d37c

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.