40%

Recording by Aya Nakamura.

Recording identifiers

ISRC
FRZ041901844
CopyrightID (CopyrightChains transaction hash)
0x8138de2530f76576ab9c81e72b4692ef920b5bf52e0afbc6b8a96a36468dbb2c
Copyright registration time
2026-06-25T06:36:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:107dcccb600d0c7cdb9d9789c5c936aeb79ced3a26784591c91489f96818c9b3

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.