sprinter

Recording by Kalafina.

Recording identifiers

ISRC
JPU900801526
CopyrightID (CopyrightChains transaction hash)
0x8aa61a55b5885a4093aa91bf9ca96123ece2866830b009ec3d0ffafd8bb62f2a
Copyright registration time
2026-06-06T02:32:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:1b4d70d7e705c60ef0a28bd0090692b530d1d28c05552358ff37e6b44c1dfe9f

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.