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
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:db7cb4654d8288209f2e99c41d3dfe528ecc2411df6a64b439095ce01b3f07ff

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.