No. 2, Langsam

Recording by Robert Schumann.

Recording identifiers

ISRC
HKI191802810
CopyrightID (CopyrightChains transaction hash)
0x305aa92a8db54c4aab112307c2cc8eb409c5ae83734842eb4e81aaae840fa451

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T06:39:12Z
Bitcoin block
960216
Canonical record hash
sha256:46f7f86c31e2103e2faf4ef7016c12115f77677271ba980cc5c4e1c74cbae455

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.