ISRC QZDSS1900291
Verified recording
QZDSS1900291 is “Sonata for Harp and Cello (1974): I. Moderato - Arr. for Piano and Cello” by Jānis Ķepītis,
registered on the CopyrightChains blockchain with CopyrightID
0x8851d94d09b3a7642cc143b5259f908681178f921e30bb1c4a9190d572994fc5 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDSS1900291.
Recording identifiers
- ISRC
- QZDSS1900291
- Title
- Sonata for Harp and Cello (1974): I. Moderato - Arr. for Piano and Cello
- Artist
- Jānis Ķepītis
- CopyrightID (CopyrightChains transaction hash)
0x8851d94d09b3a7642cc143b5259f908681178f921e30bb1c4a9190d572994fc5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:6cd8e60fb58c8f7a3e1e028528131a2341676dd150b3178c70394b115317c37e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDSS1900291
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Sonata for Harp and Cello (1974): I. Moderato - Arr. for Piano and Cello · Machine-readable JSON-LD