Symphonic Variations, Op. 78

Recording by Antonín Dvořák.

Recording identifiers

ISRC
GBHZU1105501
CopyrightID (CopyrightChains transaction hash)
0xa90356f7d6f524ae5b7e84649816235712c828c828d1bfef6a2198532043300f
Copyright registration time
2026-07-07T14:23:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ea6e68245f441088cd00aa6e01db8d2bc546d88fad54c182e06b7ad6cbc29a4f

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.