うららかな調べ(2012 Version)

Recording identifiers

ISRC

JPE301203367

CopyrightID (CopyrightChains transaction hash)

0x473cc58d58826d610d258c27b7df43680c6ba78a411ea50d3cb58fe6b7597690

Copyright registration time

2026-07-06T02:55:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-06T06:56:49Z

Bitcoin block

956889

Canonical record hash

sha256:c01fbf35bb41a2dfb15f296ddd094b5c0a2afb4b06d11a58b2df0e64c719ebac

• 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.