ISRC DEF059302401
Verified recording
DEF059302401 is “Flute Concerto in G major: 1. Allegro” by Johann Joachim Quantz,
registered on the CopyrightChains blockchain with CopyrightID
0xcf1df8e99d76fbda7f4fbc8a13f3bc2c86b52578b46df803d56aebfb5a2b7192 and independently timestamped
in Bitcoin block 960435 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059302401.
Recording identifiers
- ISRC
- DEF059302401
- Title
- Flute Concerto in G major: 1. Allegro
- Artist
- Johann Joachim Quantz
- CopyrightID (CopyrightChains transaction hash)
0xcf1df8e99d76fbda7f4fbc8a13f3bc2c86b52578b46df803d56aebfb5a2b7192
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:33:26+00:00
- Bitcoin block
- 960435
- Canonical record hash
sha256:79224ce5a080425c965cea4d64d0b92a37d9cc9012b8dd8fafca9c081da78539- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059302401
- Bitcoin block existence check
- https://blockstream.info/api/block/960435
Full record
Track page: Flute Concerto in G major: 1. Allegro · Machine-readable JSON-LD