Introduction

Recording by Immigrant's Bossa Band.

Recording identifiers

ISRC
JPB621307858
CopyrightID (CopyrightChains transaction hash)
0x35bda3d6a4e0b28136074a2e559e2bd311851b48a1c85f6b0d22f0836f927dd7
Copyright registration time
2026-07-07T20:09:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c792cefb44a956c5659461390da1cce5e07253ab9553b1980a4b03a49b7361d6

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.