ISRC DEF057901371
Verified recording
DEF057901371 is “String Quartet in E Minor: I. Allegro” by Giuseppe Verdi,
registered on the CopyrightChains blockchain with CopyrightID
0xe721c6dc64dc663f0e0f1aef9f74c6ca6f9f0cb443c12e0b8d702960011f1990 and independently timestamped
in Bitcoin block 960494 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057901371.
Recording identifiers
- ISRC
- DEF057901371
- Title
- String Quartet in E Minor: I. Allegro
- Artist
- Giuseppe Verdi
- CopyrightID (CopyrightChains transaction hash)
0xe721c6dc64dc663f0e0f1aef9f74c6ca6f9f0cb443c12e0b8d702960011f1990
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T01:44:32+00:00
- Bitcoin block
- 960494
- Canonical record hash
sha256:ffc30c7ef69662b3c19a38b5b8915c021df9fe96f94c2a316c55ad522d7e20ff- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057901371
- Bitcoin block existence check
- https://blockstream.info/api/block/960494
Full record
Track page: String Quartet in E Minor: I. Allegro · Machine-readable JSON-LD