ISRC USQX92200003
Verified recording
USQX92200003 is “Die Sirene, Polka mazur, Op. 248” by Josef Strauss,
registered on the CopyrightChains blockchain with CopyrightID
0xa3362a463d2b3f286f125f7bbf7cf29f29ba4dc2faf879eb27c117dfb5394181 and independently timestamped
in Bitcoin block 960095 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX92200003.
Recording identifiers
- ISRC
- USQX92200003
- Title
- Die Sirene, Polka mazur, Op. 248
- Artist
- Josef Strauss
- CopyrightID (CopyrightChains transaction hash)
0xa3362a463d2b3f286f125f7bbf7cf29f29ba4dc2faf879eb27c117dfb5394181
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:07:37+00:00
- Bitcoin block
- 960095
- Canonical record hash
sha256:0ee788eaf0b0f4bac8cdc0178c79c6c412c92f48d238a831d7ca1ffe14c6d537- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX92200003
- Bitcoin block existence check
- https://blockstream.info/api/block/960095
Full record
Track page: Die Sirene, Polka mazur, Op. 248 · Machine-readable JSON-LD