(動悸)²

Recording by われらがプワプワプーワプワ.

Recording identifiers

ISRC
JPJ492400040
CopyrightID (CopyrightChains transaction hash)
0x3d2423ca92cc4e74a9582fdace1e258386c54a73dc838a6a0636e442d940f5e2
Copyright registration time
2026-07-29T15:31:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T15:38:18Z
Bitcoin block
960125
Canonical record hash
sha256:e185255045d5b80abdc4cd71de779c58cda8a640b8f1d0163812d3cc713a54d3

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.