ISRC FRZ209207400
Verified recording
FRZ209207400 is “Strauss II, J: Tritsch-Tratsch Polka, Op. 214” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0x44c552fb651d6ccb972bd172b4eb5e89ec4fb866f9f522088f6cdf489706a08e and independently timestamped
in Bitcoin block 956375 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209207400.
Recording identifiers
- ISRC
- FRZ209207400
- Title
- Strauss II, J: Tritsch-Tratsch Polka, Op. 214
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0x44c552fb651d6ccb972bd172b4eb5e89ec4fb866f9f522088f6cdf489706a08e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T16:51:38+00:00
- Bitcoin block
- 956375
- Canonical record hash
sha256:1d99fa8b207d3b87159528b198fb607dbc2ee5fe5d071e7b48cdd38209e4ab8c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209207400
- Bitcoin block existence check
- https://blockstream.info/api/block/956375
Full record
Track page: Strauss II, J: Tritsch-Tratsch Polka, Op. 214 · Machine-readable JSON-LD