Lamento

Recording by いとうかなこ.

Recording identifiers

ISRC
JPR502139043
CopyrightID (CopyrightChains transaction hash)
0xb77bd9a89e2e82ef1862465b0193d8f05f2de2c12aa452758afac58f4b7ebff3
Copyright registration time
2026-06-19T09:39:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:17a7dbf1a00ffb2289666183b8bfdfa3cc0bce6ced18ea56c13f89f1d0726d84

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.