ISRC QMDA61350806
Verified recording
QMDA61350806 is “Four Seasons Concerto: Spring” by János Rolla,
registered on the CopyrightChains blockchain with CopyrightID
0x056aa99b1e286299db746acce4b40504d8121c1845a00801dbbe6771d9862cc2 and independently timestamped
in Bitcoin block 960236 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA61350806.
Recording identifiers
- ISRC
- QMDA61350806
- Title
- Four Seasons Concerto: Spring
- Artist
- János Rolla
- CopyrightID (CopyrightChains transaction hash)
0x056aa99b1e286299db746acce4b40504d8121c1845a00801dbbe6771d9862cc2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:37:10+00:00
- Bitcoin block
- 960236
- Canonical record hash
sha256:d89f4680871f3397bd3ce60bb45b950613c4e7cdfa90114bf36f07eb64c2ef87- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA61350806
- Bitcoin block existence check
- https://blockstream.info/api/block/960236
Full record
Track page: Four Seasons Concerto: Spring · Machine-readable JSON-LD