ISRC ITI891100375
Verified recording
ITI891100375 is “Guitar Concerto No. 1 in D Major, Op. 99: I. Allegretto” by Mario Castelnuovo-Tedesco,
registered on the CopyrightChains blockchain with CopyrightID
0x78de52dee652a45fab8bf87e775c1671407aab5fc2f914e6fff73f9f29736208 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI891100375.
Recording identifiers
- ISRC
- ITI891100375
- Title
- Guitar Concerto No. 1 in D Major, Op. 99: I. Allegretto
- Artist
- Mario Castelnuovo-Tedesco
- CopyrightID (CopyrightChains transaction hash)
0x78de52dee652a45fab8bf87e775c1671407aab5fc2f914e6fff73f9f29736208
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:115bcfa7322ec35fdb98a7a2b833e29fbb9a7201171f6e0ff11d2ce670cd4b5b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI891100375
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Guitar Concerto No. 1 in D Major, Op. 99: I. Allegretto · Machine-readable JSON-LD