ISRC HKI199935905
Verified recording
HKI199935905 is “String Quartet No. 13 in B-flat Major, Op. 130: V. Cavatina: Adagio molto espressivo” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xe25892b1961332c2162c2d85e49ecaa62bd549cf8bd5063d0a980a97fa83d67b and independently timestamped
in Bitcoin block 960209 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199935905.
Recording identifiers
- ISRC
- HKI199935905
- Title
- String Quartet No. 13 in B-flat Major, Op. 130: V. Cavatina: Adagio molto espressivo
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xe25892b1961332c2162c2d85e49ecaa62bd549cf8bd5063d0a980a97fa83d67b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T05:15:54+00:00
- Bitcoin block
- 960209
- Canonical record hash
sha256:3283ec0a5582ba8c35a4c32088e2be07f704a33392db270e3625fd289211a75e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199935905
- Bitcoin block existence check
- https://blockstream.info/api/block/960209
Full record
Track page: String Quartet No. 13 in B-flat Major, Op. 130: V. Cavatina: Adagio molto espressivo · Machine-readable JSON-LD