The Cavern

Recording by John Powell.

Recording identifiers

ISRC
US3M50997804
CopyrightID (CopyrightChains transaction hash)
0x5ac83a897cb4faac4357c5f9bd21a7f97be7829306e0172d4c86da8607568bdf
Copyright registration time
2026-06-25T23:42:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2a44c15ea8bbd6e9939e1b695c377792d63237ebd2b27d5a68f91ccb15ef97d1

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.