Spring

Recording by 新東京.

Recording identifiers

ISRC
JPR502307581
CopyrightID (CopyrightChains transaction hash)
0x2f41169612db0ff6f675fbafc531370f5962b6c766800c716f65671ee6fdc8d2
Copyright registration time
2026-07-03T12:14:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:b8746ee5a785aeaf8ac4a654df6b2c5d2ba39321f3f1a51e4296f439265b5d9e

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.