Symphony No. 2 in C Major, Op. 61: III. Langsam

Recording by Robert Schumann.

Recording identifiers

ISRC
DEE219770609
CopyrightID (CopyrightChains transaction hash)
0x194eff400b535d0a7a97e013161337d67e79bd8db71d5243e147b7257d49b919
Copyright registration time
2026-06-04T15:30:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:042a1166eb3cb056952b459a9c41011a39e18b026492171c9c1357f0d72d0da6

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.