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