大空へ

Recording by 小松未歩.

Recording identifiers

ISRC
JPF500301614
CopyrightID (CopyrightChains transaction hash)
0x2b1e49e58d82a45255c6950bd758a7b12c8bc8b893773e6050db45889137fc23
Copyright registration time
2026-07-29T13:00:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T13:21:01Z
Bitcoin block
960111
Canonical record hash
sha256:f44138b775fea042e17b5fc90b6a59b572d98f4599de85f886c6f635a5e22ac7

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.