Portrait

Recording by Hiroshi Takano.

Recording identifiers

ISRC
JPR301700002
CopyrightID (CopyrightChains transaction hash)
0x91c9d3ab65c84114d6fe9813a7f788a0fb0eb6c54c92ea0a7fa640715670609a
Copyright registration time
2026-07-07T16:40:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:0ae7412108b9e61ab03417cb25e072e50d54fb2ec11dd40b5f3e30c018d47ee1

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.