Classic Builds

Recording by Natalie Holt.

Recording identifiers

ISRC
USHR12141876
CopyrightID (CopyrightChains transaction hash)
0x871798f3553083f77cc7c9700fc4353012be19d86243e1772299b08f201e152e
Copyright registration time
2026-06-06T18:54:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:40eab6a858c093ea0feffebed3fa0f86c29345b550a4d1702c19c84e47ca4076

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.