ISRC DEF059603500
Verified recording
DEF059603500 is “Paraphrase on "Largo al factotum" from G. Rossini's opera "Il barbiere di Siviglia"” by Mario Castelnuovo-Tedesco,
registered on the CopyrightChains blockchain with CopyrightID
0xa61255cd51b049725c46a0e9f5baa5abbf0344f67dc6b1427078bd6444acb8e9 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059603500.
Recording identifiers
- ISRC
- DEF059603500
- Title
- Paraphrase on "Largo al factotum" from G. Rossini's opera "Il barbiere di Siviglia"
- Artist
- Mario Castelnuovo-Tedesco
- CopyrightID (CopyrightChains transaction hash)
0xa61255cd51b049725c46a0e9f5baa5abbf0344f67dc6b1427078bd6444acb8e9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:d6dd12a957da0d171e233ea54f5a5d7f81d1e3279dda539e9ef01b7a55670eb4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059603500
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Paraphrase on "Largo al factotum" from G. Rossini's opera "Il barbiere di Siviglia" · Machine-readable JSON-LD