Understanding

Recording by Yu Sakai.

Recording identifiers

ISRC
JPPO02500428
CopyrightID (CopyrightChains transaction hash)
0x49e546563a556c89dc755ebdc6b2e1b411d3ee49f030928035165d1369106583
Copyright registration time
2026-06-09T21:59:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:ed8fdb63e6f8b61ee78ff2cbb3a928fb4d78cdb9d2e1e3bc0e5732241e52f54e

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.