ISRC CZA160900067
Verified recording
CZA160900067 is “4 Sketches, Op. 5, JB 1:67: No. 2, Melancholy. Allegretto” by Bedřich Smetana,
registered on the CopyrightChains blockchain with CopyrightID
0x3f56ff9d853b8734dfa1777941adc2885c8630960e1773efbb1aeb029b1d5a53 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA160900067.
Recording identifiers
- ISRC
- CZA160900067
- Title
- 4 Sketches, Op. 5, JB 1:67: No. 2, Melancholy. Allegretto
- Artist
- Bedřich Smetana
- CopyrightID (CopyrightChains transaction hash)
0x3f56ff9d853b8734dfa1777941adc2885c8630960e1773efbb1aeb029b1d5a53
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:c6c063c305cddbf8de4127719ee935fe8004dd4bfbbc127e8133791dadd927d3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA160900067
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: 4 Sketches, Op. 5, JB 1:67: No. 2, Melancholy. Allegretto · Machine-readable JSON-LD