Estate-夏の日

Recording by 冬野ユミ.

Recording identifiers

ISRC
JPJ822400046
CopyrightID (CopyrightChains transaction hash)
0xdb5cacde4f28ba910718a199845c70818e12a898c351112062c1ceb3e27fc2bf
Copyright registration time
2026-06-24T16:25:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:784d7e444264ac7aee2ed05bbe6c67a4835a5c3ad8e01acff2df634a951ec2db

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.