Common Ground

Recording by Jan Gunnar Hoff.

Recording identifiers

ISRC
NO2NJ1896060
CopyrightID (CopyrightChains transaction hash)
0x8ec7d9132c5af5f3c2a9f8a514bdfd32afbaa30d027013ec8480802e66517f45
Copyright registration time
2026-07-07T21:51:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:945c3eeceb94daaf1bc15c7b15b608aa939802aa93998c765ce1747be4e03655

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.