ISRC CHE272503005
Verified recording
CHE272503005 is “Duo concertant in B Major, Op. 3 No. 1: II. Adagio” by August Fryderyk Duranowski,
registered on the CopyrightChains blockchain with CopyrightID
0x2b2cbecf6fb862fdafea65e6b484f74a482b70124926dfb2baaf247dec2205ea and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CHE272503005.
Recording identifiers
- ISRC
- CHE272503005
- Title
- Duo concertant in B Major, Op. 3 No. 1: II. Adagio
- Artist
- August Fryderyk Duranowski
- CopyrightID (CopyrightChains transaction hash)
0x2b2cbecf6fb862fdafea65e6b484f74a482b70124926dfb2baaf247dec2205ea
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:ec4ce888ac38663e053a75d7b41966efd188e8c8e69708284d95fa8197b14544- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CHE272503005
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Duo concertant in B Major, Op. 3 No. 1: II. Adagio · Machine-readable JSON-LD