ISRC USSM17900428
Verified recording
USSM17900428 is “Concerto No. 1 in E Major, RV 269 "Spring": II. Largo e pianissimo sempre” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x5f5ee8afcb255109db0093ce019061fe2331fe48f47eb4716c4132b4b55c3be0 and independently timestamped
in Bitcoin block 960254 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM17900428.
Recording identifiers
- ISRC
- USSM17900428
- Title
- Concerto No. 1 in E Major, RV 269 "Spring": II. Largo e pianissimo sempre
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x5f5ee8afcb255109db0093ce019061fe2331fe48f47eb4716c4132b4b55c3be0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:06:10+00:00
- Bitcoin block
- 960254
- Canonical record hash
sha256:d4473f181e364dec094c6fe2e475e0647bcbdf122f5e8ca5f32cb95b5b44f5f7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM17900428
- Bitcoin block existence check
- https://blockstream.info/api/block/960254
Full record
Track page: Concerto No. 1 in E Major, RV 269 "Spring": II. Largo e pianissimo sempre · Machine-readable JSON-LD