Crystalline

Recording by いとうかなこ.

Recording identifiers

ISRC
JPR502138999
CopyrightID (CopyrightChains transaction hash)
0xe78cc0c774db16713970c4a2ae9623345ba75d6721b0dccbe207bd249ef8aa60
Copyright registration time
2026-06-10T02:47:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:d31f0f385da12d4a2efdd180f8c786c036b795cd11a53c24877c8f5808fde6aa

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.