青空へ

Recording by Marter.

Recording identifiers

ISRC
JPB602102345
CopyrightID (CopyrightChains transaction hash)
0x77d56121d8318b923c9bcec6a0acbd52b373ad50cad538f5460bec1a3c0f52de
Copyright registration time
2026-07-07T19:31:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:3aecc9415d82b3546eb58319197740be1db83f619c670fa39104f7a7336b5cd8

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.