ISRC ITUM72101061
Verified recording
ITUM72101061 is “Quintet for Guitar and String Quartet, Op. 143: II. Andante mesto” by Mario Castelnuovo-Tedesco,
registered on the CopyrightChains blockchain with CopyrightID
0x79e2e4381f0e198c0a611ced896e77e73b9dcf2a7e0f466ccb91f5487422b7d3 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/ITUM72101061.
Recording identifiers
- ISRC
- ITUM72101061
- Title
- Quintet for Guitar and String Quartet, Op. 143: II. Andante mesto
- Artist
- Mario Castelnuovo-Tedesco
- CopyrightID (CopyrightChains transaction hash)
0x79e2e4381f0e198c0a611ced896e77e73b9dcf2a7e0f466ccb91f5487422b7d3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:5d6f9b43b57ef6cd9311df2c2d6b484bc915bef7246ef4faeb5d7d360c106932- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITUM72101061
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Quintet for Guitar and String Quartet, Op. 143: II. Andante mesto · Machine-readable JSON-LD