ISRC USBC18300199
Verified recording
USBC18300199 is “Ein deutsches Requiem, Op. 45: Ihr habt nun Traurigkeit” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x4d09fd587e3434f553e3fa17331739e41cd752ce1f0c24d1d013e265976d0349 and independently timestamped
in Bitcoin block 957073 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18300199.
Recording identifiers
- ISRC
- USBC18300199
- Title
- Ein deutsches Requiem, Op. 45: Ihr habt nun Traurigkeit
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x4d09fd587e3434f553e3fa17331739e41cd752ce1f0c24d1d013e265976d0349
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T18:39:05+00:00
- Bitcoin block
- 957073
- Canonical record hash
sha256:a0190c041cdd7ebbf581ce8d23982499a32a52b2f5028bbef9b918a2c3d20c61- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18300199
- Bitcoin block existence check
- https://blockstream.info/api/block/957073
Full record
Track page: Ein deutsches Requiem, Op. 45: Ihr habt nun Traurigkeit · Machine-readable JSON-LD