ISRC USX761423404
Verified recording
USX761423404 is “Lucia di Lammermoor: Spargi d'amaro pianto” by Maria Callas,
registered on the CopyrightChains blockchain with CopyrightID
0xe39b867ab25e18934235153e0d5df573f8cdcc88d58bc35aa5b46f1165a9ed07 and independently timestamped
in Bitcoin block 960485 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761423404.
Recording identifiers
- ISRC
- USX761423404
- Title
- Lucia di Lammermoor: Spargi d'amaro pianto
- Artist
- Maria Callas
- CopyrightID (CopyrightChains transaction hash)
0xe39b867ab25e18934235153e0d5df573f8cdcc88d58bc35aa5b46f1165a9ed07
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:10:46+00:00
- Bitcoin block
- 960485
- Canonical record hash
sha256:a4c362801926566f10e04539a1c113d381b72e92fa4d61989260a7a4298c5939- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761423404
- Bitcoin block existence check
- https://blockstream.info/api/block/960485
Full record
Track page: Lucia di Lammermoor: Spargi d'amaro pianto · Machine-readable JSON-LD