Oi, Sumido

Recording by N.I.N.A.

Recording identifiers

ISRC
BXHM82200005
CopyrightID (CopyrightChains transaction hash)
0x6ff73f091a37d4957bef0b3304e2050431c758eae6042e666783ffc7149b47cf
Copyright registration time
2026-06-05T22:01:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:1e2df7140c8be93db0aa71e36e0cd3d3cae244fc8354e5f1beee7d31bb4aa85c

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.