ISRC USQX92200012
Verified recording
USQX92200012 is “Gruß an Prag, Polka française, Op. 144” by Eduard Strauss,
registered on the CopyrightChains blockchain with CopyrightID
0xaaf2bc2c41e6cdf39caa885e9ed0d468d264cec9bac02f83bab5d3cac55d24f8 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX92200012.
Recording identifiers
- ISRC
- USQX92200012
- Title
- Gruß an Prag, Polka française, Op. 144
- Artist
- Eduard Strauss
- CopyrightID (CopyrightChains transaction hash)
0xaaf2bc2c41e6cdf39caa885e9ed0d468d264cec9bac02f83bab5d3cac55d24f8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:59fad4db691f357f27e4e9b9958d79850c3ab78db5b04b3fdae4297a22e4643a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX92200012
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Gruß an Prag, Polka française, Op. 144 · Machine-readable JSON-LD