Masa

Recording by Nada Tsuma.

Recording identifiers

ISRC
USCGH2494568
CopyrightID (CopyrightChains transaction hash)
0x986395cea6b508716f1357cd991857221ebd75e180ba2c303650b4080af8e2a2
Copyright registration time
2026-07-07T22:49:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:1a16de9bbe09649a5033a05d619cbef4c159580dd10b0efb90676a5c5cb8e251

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.