the 2nd.Round

Recording by Kotaro Nakagawa.

Recording identifiers

ISRC
JPVI00137360
CopyrightID (CopyrightChains transaction hash)
0x64d955949128f14ad9a4d8cead7836f25905dc70946206de2704cf70cc8629c1
Copyright registration time
2026-07-06T22:14:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8692015ed0b744498bb435920aadfedf9ce3b03510feabf916280d355cd7acdf

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.