ISRC DEF058931210
Verified recording
DEF058931210 is “Khovanshchina, Act I: Tak, tak, knjaze!” by Modest Mussorgsky,
registered on the CopyrightChains blockchain with CopyrightID
0xb846e107384a7377f909fee7f282d3b84c13b6a5ad36028be76b0b2bbee9c0a3 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058931210.
Recording identifiers
- ISRC
- DEF058931210
- Title
- Khovanshchina, Act I: Tak, tak, knjaze!
- Artist
- Modest Mussorgsky
- CopyrightID (CopyrightChains transaction hash)
0xb846e107384a7377f909fee7f282d3b84c13b6a5ad36028be76b0b2bbee9c0a3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:3e90ee782b2446374dd639ffc80f9e2844380a140967833779d03d3839d0692a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058931210
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Khovanshchina, Act I: Tak, tak, knjaze! · Machine-readable JSON-LD