Cornerstone

Recording by Mark Baldwin.

Recording identifiers

ISRC
USLF51602073
CopyrightID (CopyrightChains transaction hash)
0xaa612862ddd9f7f30bc27986908ebfa9c6ab35df4e804e16614fd7a4940e3a3f
Copyright registration time
2026-06-22T21:18:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:40352ba3511f573cf194623856b37f8effe9b4614d85777647a594960f066c96

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.