合間のワルツ

Recording by NRQ.

Recording identifiers

ISRC
JPB621106922
CopyrightID (CopyrightChains transaction hash)
0x62f66290e7bd86d95d926ee03850183ad6deafa45c618c0da33329e34f9c2f57
Copyright registration time
2026-07-07T11:35:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:897c6430379af92e8d8c9b44c97e14f86b74fa19c7f72f704fada50c290a88b4

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.