Letter from the Father - Harp Version

Recording by Zbigniew Preisner.

Recording identifiers

ISRC
PLX352100035
CopyrightID (CopyrightChains transaction hash)
0xe93f673b6382191daa6023cbd5df0ee069c7904d14678af8649146799ad656cb
Copyright registration time
2026-07-07T18:42:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:0fbbe2f86b8afa5952a0a9f5b9b0623d1fbdf47aa4cf7c2849c50446ec50e70a

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.