Nirvana

Recording by Aya Nakamura.

Recording identifiers

ISRC
FRZ042001033
CopyrightID (CopyrightChains transaction hash)
0xd97d13086826faf8dfb69b4a2249ae042ea89472b97edca70502059269e4343f
Copyright registration time
2026-06-04T12:39:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:125bef3b9461b4ecd1157283f9acd3274f11a9fdb84da52efc06e683930453ce

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.