Hemispheres

Recording by Jo Blankenburg.

Recording identifiers

ISRC
US43C1613690
CopyrightID (CopyrightChains transaction hash)
0xb331d7919fb00db26dcb3dc536da34ed9fcc050fc9a7733c163a1def7ef876e3
Copyright registration time
2026-06-07T22:27:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:e41674cdc5e7f73f25b9a7b2d84b20e247a1fe91a4e2571648f0c5ba3fd230a1

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.