ISRC GBQRF1341639
Verified recording
GBQRF1341639 is “Concerto for 2 Flutes in C Major, RV 533: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x5042225c4c54140a5f40977e360ec40c9a5032d2f5935781a8b38f3ee6b15563 and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBQRF1341639.
Recording identifiers
- ISRC
- GBQRF1341639
- Title
- Concerto for 2 Flutes in C Major, RV 533: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x5042225c4c54140a5f40977e360ec40c9a5032d2f5935781a8b38f3ee6b15563
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:6e9cd91ca1463a0be8adc67487b743564f118dd7dd34d4ec1b947c9481f4a67e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBQRF1341639
- Bitcoin block existence check
- https://blockstream.info/api/block/960427
Full record
Track page: Concerto for 2 Flutes in C Major, RV 533: II. Largo · Machine-readable JSON-LD