ISRC USSM10308403
Verified recording
USSM10308403 is “Im Krapfenwald'l, Polka française, Op. 336” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0x9a8ea22631e3ef5117678cbcfc096c51d494c0a299a7654b407f2af5f399b4ac 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/USSM10308403.
Recording identifiers
- ISRC
- USSM10308403
- Title
- Im Krapfenwald'l, Polka française, Op. 336
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0x9a8ea22631e3ef5117678cbcfc096c51d494c0a299a7654b407f2af5f399b4ac
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a6738d12a282321fabe7e715e4612c21ad0e0ffde1cc653ee4fdbf1fe55d41e9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10308403
- 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