Sinfonia a quattro: II. Andante

Recording by František Tůma.

Recording identifiers

ISRC
FROV62334009
CopyrightID (CopyrightChains transaction hash)
0xb4cd2e4dbf12f530fa5777594166a293a73a645ec9fc770522fc3dc7ffe3e4fc
Copyright registration time
2026-07-07T13:57:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f7fef0e35d6d0385855007221f4020d9834e304b1b1ba624851291d4738afe64

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.