ISRC ITD542201278
Verified recording
ITD542201278 is “Serenade for Strings” by Vasily Kalinnikov,
registered on the CopyrightChains blockchain with CopyrightID
0x707116749479aa8e26c672a5387401ab89c4080b5458488ad884f960c8806769 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD542201278.
Recording identifiers
- ISRC
- ITD542201278
- Title
- Serenade for Strings
- Artist
- Vasily Kalinnikov
- CopyrightID (CopyrightChains transaction hash)
0x707116749479aa8e26c672a5387401ab89c4080b5458488ad884f960c8806769
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:65981256bd7d67af01aaedabdb1c04486a6c5773df160ec0a165cb5ab84b3c16- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD542201278
- Bitcoin block existence check
- https://blockstream.info/api/block/956304