Calling my twilight

Recording by いとうかなこ.

Recording identifiers

ISRC
JPK631504801
CopyrightID (CopyrightChains transaction hash)
0x6d13a9faf475b81de930ea80888ab66bc8ba9f15fc928ce78db1b8cb5ee28f8b
Copyright registration time
2026-06-10T02:12:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:745c6048b1a6282e793f5c94ea23dfcc761ae0e13eb4b8932b7131ff10471390

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.