ISRC DEF058301195
Verified recording
DEF058301195 is “The Four Seasons, Spring, Violin Concerto in E Major, RV 269, Op. 8 No. 1: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x4469d05d6671bfe61bdd166c6117acb3036e14c3292b9b2898409719584f5956 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058301195.
Recording identifiers
- ISRC
- DEF058301195
- Title
- The Four Seasons, Spring, Violin Concerto in E Major, RV 269, Op. 8 No. 1: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x4469d05d6671bfe61bdd166c6117acb3036e14c3292b9b2898409719584f5956
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:4233c4732c6b6473c600dcd91c1f7a6fbad5b21792db30c4ebf8e6f6c8a4148f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058301195
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: The Four Seasons, Spring, Violin Concerto in E Major, RV 269, Op. 8 No. 1: II. Largo · Machine-readable JSON-LD