ISRC CZA160900140
Verified recording
CZA160900140 is “6 Album Leaves, Op. 2, JB 1:51: No. 4 in E Minor, Allegro commodo” by Bedřich Smetana,
registered on the CopyrightChains blockchain with CopyrightID
0xf4c965bcb4673a4ddd7ccfd0ebfcea97155c878193efd4c5d6f00b437fdddd30 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA160900140.
Recording identifiers
- ISRC
- CZA160900140
- Title
- 6 Album Leaves, Op. 2, JB 1:51: No. 4 in E Minor, Allegro commodo
- Artist
- Bedřich Smetana
- CopyrightID (CopyrightChains transaction hash)
0xf4c965bcb4673a4ddd7ccfd0ebfcea97155c878193efd4c5d6f00b437fdddd30
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:940f55eedd7e3599ae4ad301eeb961047c95c832c3fa25983097ef3a056ed812- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA160900140
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: 6 Album Leaves, Op. 2, JB 1:51: No. 4 in E Minor, Allegro commodo · Machine-readable JSON-LD