ISRC FRZ130310315
Verified recording
FRZ130310315 is “Ein deutsches Requiem, Op. 45: V. Ihr habt nun Traurigkeit - Arr. for choir and piano” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x4e6749bfc313fe07dfa6e20c2a1591053fc9cdaf8f654a8a4783c47272ff2b89 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130310315.
Recording identifiers
- ISRC
- FRZ130310315
- Title
- Ein deutsches Requiem, Op. 45: V. Ihr habt nun Traurigkeit - Arr. for choir and piano
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x4e6749bfc313fe07dfa6e20c2a1591053fc9cdaf8f654a8a4783c47272ff2b89
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:530d4001ed412c62a32e9dba900cf901abd18cd45e8dc87a3f48e1281b2a6e2e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130310315
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Ein deutsches Requiem, Op. 45: V. Ihr habt nun Traurigkeit - Arr. for choir and piano · Machine-readable JSON-LD