reborn - カラオケ

Recording by Rica Matsumoto.

Recording identifiers

ISRC
JPB600244304
CopyrightID (CopyrightChains transaction hash)
0xb5cf46cda5c50b6a319349c8a8c8ed7eb5ea8a7ae1c36aef48020a1aed663f23
Copyright registration time
2026-07-07T08:48:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:cc7149a8af89829dfe12f2f37c2d507c796191c423cb5e5d34094281f150de85

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.