ISRC USQX91903579
Verified recording
USQX91903579 is “Seid umschlungen, Millionen! Walzer, Op. 443” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0xb646c51c88ed92b9d2d7e19f6cfee7ffae2f1c64e31b6fde6f7db84e0b1e8a6d and independently timestamped
in Bitcoin block 960099 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91903579.
Recording identifiers
- ISRC
- USQX91903579
- Title
- Seid umschlungen, Millionen! Walzer, Op. 443
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0xb646c51c88ed92b9d2d7e19f6cfee7ffae2f1c64e31b6fde6f7db84e0b1e8a6d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:30:20+00:00
- Bitcoin block
- 960099
- Canonical record hash
sha256:cbde5f6cc12adde0bfa9aca336a0e720463b4f05c57827095c0644c1671a656e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91903579
- Bitcoin block existence check
- https://blockstream.info/api/block/960099
Full record
Track page: Seid umschlungen, Millionen! Walzer, Op. 443 · Machine-readable JSON-LD