ISRC US6R21487676

Verified recording

US6R21487676 is “Viennese Blood, Op. 354” by Johann Strauss II, registered on the CopyrightChains blockchain with CopyrightID 0xa391cb56a41201fe2d1e046f418af709743ee0817090bc6ec76c16900c494770 and independently timestamped in Bitcoin block 960448 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6R21487676.

Recording identifiers

ISRC
US6R21487676
Title
Viennese Blood, Op. 354
Artist
Johann Strauss II
CopyrightID (CopyrightChains transaction hash)
0xa391cb56a41201fe2d1e046f418af709743ee0817090bc6ec76c16900c494770

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12+00:00
Bitcoin block
960448
Canonical record hash
sha256:c8e4b4c08bcb48c75611d9adf12b6efbcbff35d2aba2320ac86f5cf147818108
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6R21487676
Bitcoin block existence check
https://blockstream.info/api/block/960448

Full record

Track page: Viennese Blood, Op. 354 · Machine-readable JSON-LD