Core of Spark

Recording by Meiko Nakamura.

Recording identifiers

ISRC
TCJPK2077483
CopyrightID (CopyrightChains transaction hash)
0x60d07a40dc95b937484708c9983366cf66e75846215159ccedd10dd989897f51
Copyright registration time
2026-07-06T04:39:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T07:16:32Z
Bitcoin block
956891
Canonical record hash
sha256:c71cac2c50224b50e43a51255343c03568e4a6142714edfc3089f0ff1bc14d27

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.