tokyo

Recording by Polsick.

Recording identifiers

ISRC
AR2F82000006
CopyrightID (CopyrightChains transaction hash)
0x13738c0960f23906cd5b41b60e8a725862a47e41f9ca57840f1cd42ec168b579
Copyright registration time
2026-07-07T06:50:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:688d8d87bdf940a8fe431c68bc0bd42eb15d35f7e6d509da4444cf125a2f05bd

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.