ISRC DEN960300142
Verified recording
DEN960300142 is “String Quartet No. 1 in F, Op. 18 No. 1: 2. Adagio affettuoso ed appassionato” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xd4a5c54af333e0054c5f932f512efcea3f695118ffe601d60aa37ca99a2e3346 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960300142.
Recording identifiers
- ISRC
- DEN960300142
- Title
- String Quartet No. 1 in F, Op. 18 No. 1: 2. Adagio affettuoso ed appassionato
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xd4a5c54af333e0054c5f932f512efcea3f695118ffe601d60aa37ca99a2e3346
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:1adb4d7904d55d2a78a4dbedb4da856294ea04b9e98744eeb8e869b4fe4ad098- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960300142
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: String Quartet No. 1 in F, Op. 18 No. 1: 2. Adagio affettuoso ed appassionato · Machine-readable JSON-LD