ISRC USSM12300684
Verified recording
USSM12300684 is “A German Requiem, Op. 45: V. Ye now are sorrowful” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x9a8d051df1dd670facb240b07d8b9d8109583d3faf5960b488be87e425c69822 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12300684.
Recording identifiers
- ISRC
- USSM12300684
- Title
- A German Requiem, Op. 45: V. Ye now are sorrowful
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x9a8d051df1dd670facb240b07d8b9d8109583d3faf5960b488be87e425c69822
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:52a75c290c82d8d95d9109de37b03a79fcfd2f6743e7caccf0daa6b8a2d79763- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12300684
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: A German Requiem, Op. 45: V. Ye now are sorrowful · Machine-readable JSON-LD