ISRC CHE272503004
Verified recording
CHE272503004 is “Duo concertant in B Major, Op. 3 No. 1: I. Allegro” by August Fryderyk Duranowski,
registered on the CopyrightChains blockchain with CopyrightID
0xdfc5fc2d3e8b8a4212f1c7ef4d059e8fe0c6dcb66c0a15168be97c3733703c54 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CHE272503004.
Recording identifiers
- ISRC
- CHE272503004
- Title
- Duo concertant in B Major, Op. 3 No. 1: I. Allegro
- Artist
- August Fryderyk Duranowski
- CopyrightID (CopyrightChains transaction hash)
0xdfc5fc2d3e8b8a4212f1c7ef4d059e8fe0c6dcb66c0a15168be97c3733703c54
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ed8393d65f6a9f6ee86e35968651e82e2cd28ac388acaf9af7dbbef37baa9457- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CHE272503004
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Duo concertant in B Major, Op. 3 No. 1: I. Allegro · Machine-readable JSON-LD