ISRC DEF058730305
Verified recording
DEF058730305 is “Ein deutsches Requiem, Op. 45: V. Solo Soprano and Chorus. Ihr habt nun Traurigkeit” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x9794ea9a38d95b25897e3bff4010d0b16cb9e6a33320a5ca1276c27ffca54354 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058730305.
Recording identifiers
- ISRC
- DEF058730305
- Title
- Ein deutsches Requiem, Op. 45: V. Solo Soprano and Chorus. Ihr habt nun Traurigkeit
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x9794ea9a38d95b25897e3bff4010d0b16cb9e6a33320a5ca1276c27ffca54354
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:0f3f81dbf17a7a0f7bb6cc1a8a90d4389b6a33c4a55aff647723267acccb753b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058730305
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: Ein deutsches Requiem, Op. 45: V. Solo Soprano and Chorus. Ihr habt nun Traurigkeit · Machine-readable JSON-LD