Dear Family

Recording by 桑原あい.

Recording identifiers

ISRC
JPPO01705217
CopyrightID (CopyrightChains transaction hash)
0xddc1020721a7d7a219e92d086fd2bdd3e7347f822d3e81a87e8b2d774a360b85
Copyright registration time
2026-06-07T14:32:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:c6f71b423a241f91e00fc3c99e3a2b5c1697c09d9a9b32ae43534d561ca77766

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.