はじまりの海

Recording by Maaya Sakamoto.

Recording identifiers

ISRC
JPG751300308
CopyrightID (CopyrightChains transaction hash)
0x860a7811b241fb8068a38624104e74561b24ddeb99ed7d532f6acff8f1c3d5f2
Copyright registration time
2026-06-25T17:04:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:4495fbe0e348ef46f4bfb2e351c097dee7d925322fbbd6323f738219f513758d

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.