Symphonic Studies, Op. 13: Var. VII

Recording by Robert Schumann.

Recording identifiers

ISRC
NLA507000570
CopyrightID (CopyrightChains transaction hash)
0x5b7d05771183fd761c1430b656dc83b12a732ef313fde7787fc47f01d8d01f10
Copyright registration time
2026-06-24T07:33:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:09fba75e0b3f5d32e042e068662bb4f0fe349b1db99e433c9bc2adecfec16859

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.