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

Full record

Track page: Serenade for Strings · Machine-readable JSON-LD