ISRC HKI199215903
Verified recording
HKI199215903 is “String Quartet No. 5 in A Major, Op. 18, No. 5: Iii. Andante cantabile - Poco adagio” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x866d42592397eee9f1b9c2b998c42f18430b8ae5cb9b9ace31b89017f237f896 and independently timestamped
in Bitcoin block 960360 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199215903.
Recording identifiers
- ISRC
- HKI199215903
- Title
- String Quartet No. 5 in A Major, Op. 18, No. 5: Iii. Andante cantabile - Poco adagio
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x866d42592397eee9f1b9c2b998c42f18430b8ae5cb9b9ace31b89017f237f896
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:42:11+00:00
- Bitcoin block
- 960360
- Canonical record hash
sha256:8ab67c0d9d697d8ed0bcae3426ef48c560ff6417e8f8a77f2f1143cb9bbdff69- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199215903
- Bitcoin block existence check
- https://blockstream.info/api/block/960360
Full record
Track page: String Quartet No. 5 in A Major, Op. 18, No. 5: Iii. Andante cantabile - Poco adagio · Machine-readable JSON-LD