ISRC NLB151200301
Verified recording
NLB151200301 is “Ouverture a 3 Chalum. 2 Violis. Viola e Cembalo F-Dur GWV 449: La Speranza amoroso” by Christoph Graupner,
registered on the CopyrightChains blockchain with CopyrightID
0x19f3d40eedd320110aa8f422918c14e21898f899667de7025bbf3576a825eee4 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/NLB151200301.
Recording identifiers
- ISRC
- NLB151200301
- Title
- Ouverture a 3 Chalum. 2 Violis. Viola e Cembalo F-Dur GWV 449: La Speranza amoroso
- Artist
- Christoph Graupner
- CopyrightID (CopyrightChains transaction hash)
0x19f3d40eedd320110aa8f422918c14e21898f899667de7025bbf3576a825eee4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:68645e9719e620bba0b54652fcc96a3b1fc50a9cfe877c73620768c3df405720- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151200301
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Ouverture a 3 Chalum. 2 Violis. Viola e Cembalo F-Dur GWV 449: La Speranza amoroso · Machine-readable JSON-LD