train

Recording by Yu Sakai.

Recording identifiers

ISRC
JPPO02303851
CopyrightID (CopyrightChains transaction hash)
0x0e4c65767eca6e90ce39af26bc4ae18965c2c638d747615f7f5b7296b120e69e
Copyright registration time
2026-07-06T10:11:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-21T22:49:00Z
Bitcoin block
957067
Canonical record hash
sha256:0f71debfc457be216deb5ce926cba8cd99ffec587b2558f2caefe64db5aa9d04

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.