Children'S Hospital

Recording by Zbigniew Preisner.

Recording identifiers

ISRC
PLX352100022
CopyrightID (CopyrightChains transaction hash)
0xd9d01be43d20d77685d16ed54cba757ecea5213ddbda92b3e73d5332c0fc9bc6
Copyright registration time
2026-07-07T23:56:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c2257ca9ebee6ac1930b04a89e83ece5f8d8570ee1ac643027e768f4f05e68bb

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.