ISRC HKI199254210
Verified recording
HKI199254210 is “Symphony No. 104 in D Major, Hob. I:104 "London": II. Andante” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x3f1cc5a1ace30e40568a552337bdeef4f4c4f3e5a30f6958f18065dfda7bd027 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199254210.
Recording identifiers
- ISRC
- HKI199254210
- Title
- Symphony No. 104 in D Major, Hob. I:104 "London": II. Andante
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x3f1cc5a1ace30e40568a552337bdeef4f4c4f3e5a30f6958f18065dfda7bd027
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:d2b2d5eb8a7d39b95286875fa234ce56d1558b1888f9523f72b57fdb614ad3bd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199254210
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Symphony No. 104 in D Major, Hob. I:104 "London": II. Andante · Machine-readable JSON-LD