ISRC USQX92005073
Verified recording
USQX92005073 is “Im Krapfenwald'l, Polka française, Op. 336” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0x404b9764864474bd5ae5f366d4e1f0e5c43b4be0168058e954fbff4d24234796 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX92005073.
Recording identifiers
- ISRC
- USQX92005073
- Title
- Im Krapfenwald'l, Polka française, Op. 336
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0x404b9764864474bd5ae5f366d4e1f0e5c43b4be0168058e954fbff4d24234796
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:622e89542d303e033fc0affc07666e79fa54baafc8d456f3473469eb2315ed7d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX92005073
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Im Krapfenwald'l, Polka française, Op. 336 · Machine-readable JSON-LD