ISRC CZA160900049
Verified recording
CZA160900049 is “3 Polkas de salon, Op. 7, JB 1:60: No. 1 in F-Sharp Major, Allegro commodo” by Bedřich Smetana,
registered on the CopyrightChains blockchain with CopyrightID
0x9223e23f98e825d7fe2a8b0b4d9df68f72ba3dd60430507a721cb65eedaef5a6 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA160900049.
Recording identifiers
- ISRC
- CZA160900049
- Title
- 3 Polkas de salon, Op. 7, JB 1:60: No. 1 in F-Sharp Major, Allegro commodo
- Artist
- Bedřich Smetana
- CopyrightID (CopyrightChains transaction hash)
0x9223e23f98e825d7fe2a8b0b4d9df68f72ba3dd60430507a721cb65eedaef5a6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:a81a70ff9cb591110d341ac531ef404b8ad2b5b9b29245606421de9e3d8d7ca3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA160900049
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: 3 Polkas de salon, Op. 7, JB 1:60: No. 1 in F-Sharp Major, Allegro commodo · Machine-readable JSON-LD