ISRC USA5R1399708
Verified recording
USA5R1399708 is “Florentiner-Marsch, Op. 214” by Julius Fučík,
registered on the CopyrightChains blockchain with CopyrightID
0xb8cbb6bcc491064393dbda88383a21bde981564c2e2a51e0dc044c9d47152678 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA5R1399708.
Recording identifiers
- ISRC
- USA5R1399708
- Title
- Florentiner-Marsch, Op. 214
- Artist
- Julius Fučík
- CopyrightID (CopyrightChains transaction hash)
0xb8cbb6bcc491064393dbda88383a21bde981564c2e2a51e0dc044c9d47152678
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:5f47a1d579a8934f5fcecaeaf2ad51c38eee9d2f159dd792e4e7b95a9dce6bf7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA5R1399708
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Florentiner-Marsch, Op. 214 · Machine-readable JSON-LD