つよがり

Recording by Shoko Nakagawa.

Recording identifiers

ISRC
JPSR01100821
CopyrightID (CopyrightChains transaction hash)
0x2a7b5f3de925b7600652db4d42b33207621990fb0b3260c313c115e8639d608d
Copyright registration time
2026-06-07T17:51:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:8af6fb11e8f141cc565c51ebd3e25a71c89adab75e96797b45d6bb6e4088bed5

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.