Change of Course

Recording by Mark Mancina.

Recording identifiers

ISRC
USWD12434526
CopyrightID (CopyrightChains transaction hash)
0xe4e49856399638691b4ff64387fc90cdab6a9cfbc7bfe36b2c9a731fe4248972
Copyright registration time
2026-06-08T19:07:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:e4b43c82690fc60fc714a7c074b0a6c103370fb6b337c5875087fd604a701459

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.