Play Piano Play: I. Moderato

Recording by Friedrich Gulda.

Recording identifiers

ISRC
GBAJY0865601
CopyrightID (CopyrightChains transaction hash)
0x37c3f2db8c7f9e8dc077561c15a52139801f5ef94adf9057f1b6e78560efd1ed
Copyright registration time
2026-07-06T18:21:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6c94fffe17314f39f0b58533ca4c4b799e9b48f19153673f0b0a9f10363f35db

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.