ISRC HKI190852508
Verified recording
HKI190852508 is “Die Maurerfreude, K. 471” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xb39d26c7c5f1f4135ce635e091c4943d7220ef7542a5313b0af80870da61bd87 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190852508.
Recording identifiers
- ISRC
- HKI190852508
- Title
- Die Maurerfreude, K. 471
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xb39d26c7c5f1f4135ce635e091c4943d7220ef7542a5313b0af80870da61bd87
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:9f082a65a01860bd98d513a5023772abc40cf830d2cf2168a75aa3f7c96282a4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190852508
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Die Maurerfreude, K. 471 · Machine-readable JSON-LD