QUESTION

Recording by 3年E組うた担(渚&茅野&業&磯貝&前原).

Recording identifiers

ISRC
JPT551600062
CopyrightID (CopyrightChains transaction hash)
0x4128db0dc5676cd8c50469072bf4fad43c01e4c3fc4ee4e27aac725387052482
Copyright registration time
2026-06-04T08:39:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:b499c792967eeea8e8bd5984deb3d8faab81c3bcd0c1f2653bc5b494e6b4d7d2

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.