25の練習曲作品100　第3曲　牧歌

Recording identifiers

ISRC

JPU941800074

CopyrightID (CopyrightChains transaction hash)

0x82b6caa4f1a5282c449ae7c78a449edeadb1461e711d983f3fb4cc96c60639f2

Copyright registration time

2026-06-27T07:56:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:55:08Z

Bitcoin block

956304

Canonical record hash

sha256:ec1a651652746a39d3721902e5efca9bd89871fab1793740805e62b30bb138ed

• 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.