ISRC QMQL91200035
Verified recording
QMQL91200035 is “Quartet No. 12 in F Major Op. 96 "American" II. Lento” by Antonín Dvořák,
registered on the CopyrightChains blockchain with CopyrightID
0x0f6d361f1514447cb52f820c1d27c3a1f1440bf3215dd0a48b7b25b0f48340e8 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMQL91200035.
Recording identifiers
- ISRC
- QMQL91200035
- Title
- Quartet No. 12 in F Major Op. 96 "American" II. Lento
- Artist
- Antonín Dvořák
- CopyrightID (CopyrightChains transaction hash)
0x0f6d361f1514447cb52f820c1d27c3a1f1440bf3215dd0a48b7b25b0f48340e8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:79b2d1185b458329aacf6f1b8f826176a7def2f06d4a6b884ad182a922e61ad4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMQL91200035
- Bitcoin block existence check
- https://blockstream.info/api/block/953515
Full record
Track page: Quartet No. 12 in F Major Op. 96 "American" II. Lento · Machine-readable JSON-LD