ISRC QM4TX1793469
Verified recording
QM4TX1793469 is “Flute Concerto in F Major, RV 434 "Con Sordino": II. Largo e cantabile” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x7fa42714c48cfb3d024d78f1dc25595a4b359663beb00ddc764074b88d778604 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX1793469.
Recording identifiers
- ISRC
- QM4TX1793469
- Title
- Flute Concerto in F Major, RV 434 "Con Sordino": II. Largo e cantabile
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x7fa42714c48cfb3d024d78f1dc25595a4b359663beb00ddc764074b88d778604
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:4007155c347a572b4c195a7a901a5e1cf920f4acd572ebb7aefe9dc20f09b3d8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX1793469
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Flute Concerto in F Major, RV 434 "Con Sordino": II. Largo e cantabile · Machine-readable JSON-LD