ISRC CZA161500570
Verified recording
CZA161500570 is “String Quartet No. 2 in D Minor, JB 1:124: I. Allegro” by Bedřich Smetana,
registered on the CopyrightChains blockchain with CopyrightID
0x6e16538c189e4f24cb72c3356f0b66b55fc0bebdb88034c15bc37ad8f6356c59 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161500570.
Recording identifiers
- ISRC
- CZA161500570
- Title
- String Quartet No. 2 in D Minor, JB 1:124: I. Allegro
- Artist
- Bedřich Smetana
- CopyrightID (CopyrightChains transaction hash)
0x6e16538c189e4f24cb72c3356f0b66b55fc0bebdb88034c15bc37ad8f6356c59
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:186830e6f96106a64082d15131f962cc6b457a280d484e6517086d52fafe0494- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161500570
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: String Quartet No. 2 in D Minor, JB 1:124: I. Allegro · Machine-readable JSON-LD