ISRC USBC19900752
Verified recording
USBC19900752 is “Serenade for Strings in C Major, Op. 48: Waltz” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x3e76432c2f995529efe8c6b2325ecefc13bf0647cd04396cec8f348837daab7f and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19900752.
Recording identifiers
- ISRC
- USBC19900752
- Title
- Serenade for Strings in C Major, Op. 48: Waltz
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x3e76432c2f995529efe8c6b2325ecefc13bf0647cd04396cec8f348837daab7f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:1b9e6a767aafe6ebf049ad92e446f8006ac4bfb327f1df2ea386e5c40038dc0b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19900752
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Serenade for Strings in C Major, Op. 48: Waltz · Machine-readable JSON-LD