3 Romances, Op. 94: No. 2. Einfach, innig

Recording by Robert Schumann.

Recording identifiers

ISRC
DET901640702
CopyrightID (CopyrightChains transaction hash)
0x670e2c2768eb7d5f0c4712aa744a9496efdd31eef38f3c54214319df4f34e4f4
Copyright registration time
2026-07-07T06:03:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:20c5e7f42c9d2369974797bede3bbc69763e1bbee346b3846a10027ffaa20b62

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.