ISRC ITZ391272859
Verified recording
ITZ391272859 is “28 Variazions on Aria “ I Was Sleeping and Then I Dreamed” for Solo Flute in G Major: Variation 22 (Recomposed by Luca Astolfoni Fossi)” by Johann Joachim Quantz,
registered on the CopyrightChains blockchain with CopyrightID
0x74c15b5564c3fb889eeec41622bb2b0f2e799cffc296670b22f3035122e07463 and independently timestamped
in Bitcoin block 960330 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ391272859.
Recording identifiers
- ISRC
- ITZ391272859
- Title
- 28 Variazions on Aria “ I Was Sleeping and Then I Dreamed” for Solo Flute in G Major: Variation 22 (Recomposed by Luca Astolfoni Fossi)
- Artist
- Johann Joachim Quantz
- CopyrightID (CopyrightChains transaction hash)
0x74c15b5564c3fb889eeec41622bb2b0f2e799cffc296670b22f3035122e07463
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:58:21+00:00
- Bitcoin block
- 960330
- Canonical record hash
sha256:327542febfe661b5e88e9048fc0f3c4c29235a1b92bb9a320421bc6827a2fb78- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ391272859
- Bitcoin block existence check
- https://blockstream.info/api/block/960330
Full record
Track page: 28 Variazions on Aria “ I Was Sleeping and Then I Dreamed” for Solo Flute in G Major: Variation 22 (Recomposed by Luca Astolfoni Fossi) · Machine-readable JSON-LD