ISRC CHE272503006
Verified recording
CHE272503006 is “Duo concertant in B Major, Op. 3 No. 1: III. Rondo” by August Fryderyk Duranowski,
registered on the CopyrightChains blockchain with CopyrightID
0x02d4eab39931997417baea24a5c23cbf897065226766ffbd9c7a905a1cecf9f5 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/CHE272503006.
Recording identifiers
- ISRC
- CHE272503006
- Title
- Duo concertant in B Major, Op. 3 No. 1: III. Rondo
- Artist
- August Fryderyk Duranowski
- CopyrightID (CopyrightChains transaction hash)
0x02d4eab39931997417baea24a5c23cbf897065226766ffbd9c7a905a1cecf9f5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:7d0f8d557d5af36fb657f3f32d15a246c16d8c365a9e165cc340102d4b6aea8c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CHE272503006
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Duo concertant in B Major, Op. 3 No. 1: III. Rondo · Machine-readable JSON-LD