Four Sketches op.15: Phantoms - Phantoms

Recording by Joanne Polk.

Recording identifiers

ISRC
USA220610463
CopyrightID (CopyrightChains transaction hash)
0xd8fea810c8184ddff0d4dcd286376c12559cddf13c373450f851d993faf91322
Copyright registration time
2026-07-07T22:03:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ce5869c8cc43b67a617ce6f85f69177bc89088308c7eef1b578e88bf00b74854

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.