ISRC FR9W15800116
Verified recording
FR9W15800116 is “Norma, Act I Scene 4: No. 4b. Aria, "Casta diva" (Norma, Chorus) [Recorded in Paris, 1958]” by Maria Callas,
registered on the CopyrightChains blockchain with CopyrightID
0x2b886c716f83f4747790f1c600a2389778f01d22810d51370210e08c876b1af4 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W15800116.
Recording identifiers
- ISRC
- FR9W15800116
- Title
- Norma, Act I Scene 4: No. 4b. Aria, "Casta diva" (Norma, Chorus) [Recorded in Paris, 1958]
- Artist
- Maria Callas
- CopyrightID (CopyrightChains transaction hash)
0x2b886c716f83f4747790f1c600a2389778f01d22810d51370210e08c876b1af4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:bb3884bc2fa51c1fff87d3b5f4563f95080cbf8ccabdc04c6f0c81843200c302- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W15800116
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Norma, Act I Scene 4: No. 4b. Aria, "Casta diva" (Norma, Chorus) [Recorded in Paris, 1958] · Machine-readable JSON-LD