ISRC USB8U1035739
Verified recording
USB8U1035739 is “Nigra sum - Motets for 5-8 Voices: Book 4 for 5 Voices, "Canticis canticorum": No. 3. Nigra sum, sed formosa: Antiphon: Nigra sum - Nigra sum, sed formosa” by Giovanni Pierluigi da Palestrina,
registered on the CopyrightChains blockchain with CopyrightID
0x526a00c62aa0974946013981b62db8101b8e888c9894cedc61874b949e2a81a8 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1035739.
Recording identifiers
- ISRC
- USB8U1035739
- Title
- Nigra sum - Motets for 5-8 Voices: Book 4 for 5 Voices, "Canticis canticorum": No. 3. Nigra sum, sed formosa: Antiphon: Nigra sum - Nigra sum, sed formosa
- Artist
- Giovanni Pierluigi da Palestrina
- CopyrightID (CopyrightChains transaction hash)
0x526a00c62aa0974946013981b62db8101b8e888c9894cedc61874b949e2a81a8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:5d884f7ab6a63c665c7b0c4bf811d9e0d7db4055d4ba108cd04c0de7f309bb39- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1035739
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Nigra sum - Motets for 5-8 Voices: Book 4 for 5 Voices, "Canticis canticorum": No. 3. Nigra sum, sed formosa: Antiphon: Nigra sum - Nigra sum, sed formosa · Machine-readable JSON-LD