ISRC DEF056430907
Verified recording
DEF056430907 is “Ein deutsches Requiem, Op. 45: V. Solo Soprano & Chorus. Ihr habt nun Traurigkeit” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x351441538cf6d1f0e3efb1ea6376dab9ae942635ad175525c1f52ad5e07df4be and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430907.
Recording identifiers
- ISRC
- DEF056430907
- Title
- Ein deutsches Requiem, Op. 45: V. Solo Soprano & Chorus. Ihr habt nun Traurigkeit
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x351441538cf6d1f0e3efb1ea6376dab9ae942635ad175525c1f52ad5e07df4be
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:eedf161557e07589906b31198e2d64962b2cb5a1a267bfa1065a708c78d07fe7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430907
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Ein deutsches Requiem, Op. 45: V. Solo Soprano & Chorus. Ihr habt nun Traurigkeit · Machine-readable JSON-LD