Symphony No. 34 in D Major: II. Andantino

Recording by Johannes Matthias Sperger.

Recording identifiers

ISRC
DEE471500377
CopyrightID (CopyrightChains transaction hash)
0x9affccaefd3848901f62ab321331b54432f9126aa6680c81dabb225174c6573b
Copyright registration time
2026-07-06T04:42:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:6d69536409f4e839050ab15d744573c5cb4aee68b96fec4b0b423e682b44c823

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.