ISRC US6R21495263
Verified recording
US6R21495263 is “Le quattro stagioni, Concerto No. 1 in E Major, Op. 8, RV 269, "Spring" : I. Allegro” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x440ae4c4c8e92a37b9c24f4d36d9a05f28e7b200b352d7f903acb599cc4c7ec3 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6R21495263.
Recording identifiers
- ISRC
- US6R21495263
- Title
- Le quattro stagioni, Concerto No. 1 in E Major, Op. 8, RV 269, "Spring" : I. Allegro
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x440ae4c4c8e92a37b9c24f4d36d9a05f28e7b200b352d7f903acb599cc4c7ec3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:75a7c295deda05fa9a3b977859feae069094a7073a213ff4024c6f1035bc93a6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6R21495263
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Le quattro stagioni, Concerto No. 1 in E Major, Op. 8, RV 269, "Spring" : I. Allegro · Machine-readable JSON-LD