希望の歩み

Recording by 伊藤真澄.

Recording identifiers

ISRC
JPI102102334
CopyrightID (CopyrightChains transaction hash)
0x4e9b428120b7e37b3a7f5b69cc6c59a269ee5f6f85bef206260f9c195b629bae
Copyright registration time
2026-07-06T05:20:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T07:53:57Z
Bitcoin block
956894
Canonical record hash
sha256:4cc5e2fc8344b099b7688461c00d3c4f13834f1551ea127b7340462fd18c2cd7

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.