君とピアノと

Recording by 東野純直.

Recording identifiers

ISRC
JPTE09216230
CopyrightID (CopyrightChains transaction hash)
0xec0732a07b8dc167c2ed8f038125859349e76029df350d93c1f6d397cec52172

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T04:52:22Z
Bitcoin block
960513
Canonical record hash
sha256:2cbdf84463933bf2aac872ab1f8939d728de790821368720ed2e9beb1e9e7df7

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.