ISRC DEN961101730
Verified recording
DEN961101730 is “Etudes-tableaux, Op. 39: No. 4 in B Minor. Allegro assai” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x9735f7ddc8c1cb3f0466b25b86e12438f48e67aa4ce1620bf688b15f31af463c and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961101730.
Recording identifiers
- ISRC
- DEN961101730
- Title
- Etudes-tableaux, Op. 39: No. 4 in B Minor. Allegro assai
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x9735f7ddc8c1cb3f0466b25b86e12438f48e67aa4ce1620bf688b15f31af463c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:a2cbebe6ad5e37e13c9818682d6c4f525f30a5153fb9047a5d16f52d0c27961c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961101730
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Etudes-tableaux, Op. 39: No. 4 in B Minor. Allegro assai · Machine-readable JSON-LD