ISRC DEF058903684
Verified recording
DEF058903684 is “Ein musikalischer Spass, K. 522: III. Adagio cantabile” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xffa42736b51a1c4f701af611864e210a405e80d19ccb8e29643419bfeee47901 and independently timestamped
in Bitcoin block 960164 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058903684.
Recording identifiers
- ISRC
- DEF058903684
- Title
- Ein musikalischer Spass, K. 522: III. Adagio cantabile
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xffa42736b51a1c4f701af611864e210a405e80d19ccb8e29643419bfeee47901
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:23:05+00:00
- Bitcoin block
- 960164
- Canonical record hash
sha256:01a00eb3f9e997bcdb4c385603b0a8aa0bf277ec76dc259eafd13f56c16d5132- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058903684
- Bitcoin block existence check
- https://blockstream.info/api/block/960164
Full record
Track page: Ein musikalischer Spass, K. 522: III. Adagio cantabile · Machine-readable JSON-LD