ISRC AUFFF1400036
Verified recording
AUFFF1400036 is “12 Sonatinas, Sonatina No. 2: II. Allegretto” by Johann Baptist Vanhal,
registered on the CopyrightChains blockchain with CopyrightID
0x203eb597f6a3f4e557038d8c530cb0b073788a62ec4d812fb67e7c519cfa29b7 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUFFF1400036.
Recording identifiers
- ISRC
- AUFFF1400036
- Title
- 12 Sonatinas, Sonatina No. 2: II. Allegretto
- Artist
- Johann Baptist Vanhal
- CopyrightID (CopyrightChains transaction hash)
0x203eb597f6a3f4e557038d8c530cb0b073788a62ec4d812fb67e7c519cfa29b7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:17a7395be60488ee375e1ad2b750a9ae4094a9820a2af55982b45b41c2c71b83- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUFFF1400036
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: 12 Sonatinas, Sonatina No. 2: II. Allegretto · Machine-readable JSON-LD