A Key to the Past

Recording by John Powell.

Recording identifiers

ISRC
USQ4E1602276
CopyrightID (CopyrightChains transaction hash)
0xfaa1d229080cf1619191eef262215933fdbfb75cba67f31864e1277727ced730
Copyright registration time
2026-06-19T13:19:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:e70fac8d65af356e020073a5a7b8b147f417e91f821d389c3930c1e748463d50

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.