ISRC DEFG21620820
Verified recording
DEFG21620820 is “Concerto for Oboe & Bassoon in G Major, RV 545: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x71a7a5305b506743edecf8545dc212c55b0285089cad69be74832252ec3450a0 and independently timestamped
in Bitcoin block 960317 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG21620820.
Recording identifiers
- ISRC
- DEFG21620820
- Title
- Concerto for Oboe & Bassoon in G Major, RV 545: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x71a7a5305b506743edecf8545dc212c55b0285089cad69be74832252ec3450a0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T21:35:24+00:00
- Bitcoin block
- 960317
- Canonical record hash
sha256:dd305dbd32d21a6d581f2d1bc6553ba91e2f2272a17defbcff22786751b7d07d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG21620820
- Bitcoin block existence check
- https://blockstream.info/api/block/960317
Full record
Track page: Concerto for Oboe & Bassoon in G Major, RV 545: II. Largo · Machine-readable JSON-LD