Shadow Cave

Recording by Polygonia.

Recording identifiers

ISRC
US83Z2477910
CopyrightID (CopyrightChains transaction hash)
0x339e592f61e4de4585200d7ecc91ee643ab65ef248bee0d8ed5021812e50a6e3
Copyright registration time
2026-07-07T10:49:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:abf15de004b92594c9db2b33977d0417ece70289632673163f7dbd3abd4ecaa1

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.