春友

Recording by あれくん.

Recording identifiers

ISRC
USA2P2311613
CopyrightID (CopyrightChains transaction hash)
0xdf5c6b847019b19faeb58cec95164911091583e214b5a5ff841b4fa3ac8c0410
Copyright registration time
2026-06-18T06:54:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a56313b5e0f39fc8189abebac769cf9f1cba41933acda6814e96b271ab584e27

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.