No. 4, Du Ring an meinem Finger

Recording by Robert Schumann.

Recording identifiers

ISRC
HKI190842904
CopyrightID (CopyrightChains transaction hash)
0x617d983633059fc348b53dff606fa8eb2108e2a1a54f570d9ed161c54e54e739
Copyright registration time
2026-07-08T01:16:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:3fffafa082886f0e14b3eb3d9c954ff77c6a53035d544551da344bbc793dbf78

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.