ISRC USSM11306221

Verified recording

USSM11306221 is “Tritsch-Tratsch Polka, Polka schnell, Op. 214” by Johann Strauss II, registered on the CopyrightChains blockchain with CopyrightID 0x2af6e55fc9765147a4e0b7bbb2febc6925a261af63275a19d657275463361da6 and independently timestamped in Bitcoin block 953520 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11306221.

Recording identifiers

ISRC
USSM11306221
Title
Tritsch-Tratsch Polka, Polka schnell, Op. 214
Artist
Johann Strauss II
CopyrightID (CopyrightChains transaction hash)
0x2af6e55fc9765147a4e0b7bbb2febc6925a261af63275a19d657275463361da6

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09+00:00
Bitcoin block
953520
Canonical record hash
sha256:6624c5edeaee615929745bef986234afe1d1958e066595a54b35c66240b8ebb8
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11306221
Bitcoin block existence check
https://blockstream.info/api/block/953520

Full record

Track page: Tritsch-Tratsch Polka, Polka schnell, Op. 214 · Machine-readable JSON-LD