四番目物「奈落唱」

Recording identifiers

ISRC

JPW562003033

CopyrightID (CopyrightChains transaction hash)

0x751460e53ecd1149e8b118c5de3434e253a35de2d7c7d908a4c2f31294202ab8

Copyright registration time

2026-07-06T04:48:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-06T06:56:49Z

Bitcoin block

956889

Canonical record hash

sha256:9901fc07b5fd4f6f6f982db8c8f10da9778fff7d62bd449f62f010b46605c042

• 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.