ISRC HKI190843303
Verified recording
HKI190843303 is “Symphony No. 25 in C Major, Hob.I:25: III. Presto” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x5b0e3193c3f8d076df04bb6e0f60c4cfac8ec226bd7341234fa425269a3e8c7e and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190843303.
Recording identifiers
- ISRC
- HKI190843303
- Title
- Symphony No. 25 in C Major, Hob.I:25: III. Presto
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x5b0e3193c3f8d076df04bb6e0f60c4cfac8ec226bd7341234fa425269a3e8c7e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:5c6715c1738dfcb598110dbf3ca2756685fc209085cbadb9139a383683716e35- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190843303
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Symphony No. 25 in C Major, Hob.I:25: III. Presto · Machine-readable JSON-LD