牢固

Recording by Michiru Oshima.

Recording identifiers

ISRC
JPE300400073
CopyrightID (CopyrightChains transaction hash)
0xfcffc7eb1400a23c7f690d52c4d7cea749fd85a9dad4589744e6bffd1b4a0c0e
Copyright registration time
2026-07-06T07:26:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-13T07:53:33Z
Bitcoin block
957819
Canonical record hash
sha256:309f0089226cd74cb9f110cdf12a266baea23d80cc70a29f7352ac6c08c23699

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.