なんという喜び 罪とがをゆるされ - 楽譜番号 青本:61

Recording by Chu Kosaka.

Recording identifiers

ISRC
JPS801856466
CopyrightID (CopyrightChains transaction hash)
0x924e57bd656c3128a0e9bf51268188ff188edfe1d54c33885d30a09efdee39ec
Copyright registration time
2026-07-07T23:54:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:e1a5676151e49d67474f12e264fd5142fe5830154445acde2083bc1a6b2af0c5

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.