ISRC ITZ391272863
Verified recording
ITZ391272863 is “28 Variazions on Aria “ I Was Sleeping, and Then I Dreamed” for Solo Flute in G Major: Variation 26 (Recomposed by Luca Astolfoni Fossi)” by Johann Joachim Quantz,
registered on the CopyrightChains blockchain with CopyrightID
0x62248ebf66b103b0e0de9024187531fa388761662892db0c9646b56896cf8e93 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ391272863.
Recording identifiers
- ISRC
- ITZ391272863
- Title
- 28 Variazions on Aria “ I Was Sleeping, and Then I Dreamed” for Solo Flute in G Major: Variation 26 (Recomposed by Luca Astolfoni Fossi)
- Artist
- Johann Joachim Quantz
- CopyrightID (CopyrightChains transaction hash)
0x62248ebf66b103b0e0de9024187531fa388761662892db0c9646b56896cf8e93
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:129b25404aa7fd64ed45fa5a26d1bbf9aa8cc97af2ccc7da6bb9faef1b66c62d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITZ391272863
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 28 Variazions on Aria “ I Was Sleeping, and Then I Dreamed” for Solo Flute in G Major: Variation 26 (Recomposed by Luca Astolfoni Fossi) · Machine-readable JSON-LD