ISRC HKI199280705
Verified recording
HKI199280705 is “Symphony No. 35 in D Major, K. 385, "Haffner": II. Andante” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x007257293364f96258cdf0c61bc68c25f7eeea59973baaa9b139024f329122e1 and independently timestamped
in Bitcoin block 957073 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280705.
Recording identifiers
- ISRC
- HKI199280705
- Title
- Symphony No. 35 in D Major, K. 385, "Haffner": II. Andante
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x007257293364f96258cdf0c61bc68c25f7eeea59973baaa9b139024f329122e1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T18:39:05+00:00
- Bitcoin block
- 957073
- Canonical record hash
sha256:c568ecc71d57c08362303924f12356d37a9b339a99ad41a680cdbf7d263f9c95- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199280705
- Bitcoin block existence check
- https://blockstream.info/api/block/957073
Full record
Track page: Symphony No. 35 in D Major, K. 385, "Haffner": II. Andante · Machine-readable JSON-LD