ISRC DEN960400802
Verified recording
DEN960400802 is “Four Pieces for String Quartet, Op. 81, MWV R 35: III. Capriccio” by Felix Mendelssohn,
registered on the CopyrightChains blockchain with CopyrightID
0xa90304a708203cf8a123fda92b47f334da6e4997ce6f56b2738c0f5d634b1b1f and independently timestamped
in Bitcoin block 959132 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960400802.
Recording identifiers
- ISRC
- DEN960400802
- Title
- Four Pieces for String Quartet, Op. 81, MWV R 35: III. Capriccio
- Artist
- Felix Mendelssohn
- CopyrightID (CopyrightChains transaction hash)
0xa90304a708203cf8a123fda92b47f334da6e4997ce6f56b2738c0f5d634b1b1f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T13:20:46+00:00
- Bitcoin block
- 959132
- Canonical record hash
sha256:b918cca3a3a5138eed8a70db561fd27d3545b2c210e7d996326e9da0104046e2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960400802
- Bitcoin block existence check
- https://blockstream.info/api/block/959132
Full record
Track page: Four Pieces for String Quartet, Op. 81, MWV R 35: III. Capriccio · Machine-readable JSON-LD