ISRC DEN961130204
Verified recording
DEN961130204 is “24 Préludes, Op. 28: No. 4 in E Minor. Largo - 2011 Recording” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x25cfcb1af89e3479a5d2f2c5adf2e9cbb5b4cfb57c1970920bb009cdab74962c 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/DEN961130204.
Recording identifiers
- ISRC
- DEN961130204
- Title
- 24 Préludes, Op. 28: No. 4 in E Minor. Largo - 2011 Recording
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x25cfcb1af89e3479a5d2f2c5adf2e9cbb5b4cfb57c1970920bb009cdab74962c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:476fd657c1e0b9e8458ef9cecaa3886fe17a2a0796b6e7157d7e638a3aa17002- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961130204
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: 24 Préludes, Op. 28: No. 4 in E Minor. Largo - 2011 Recording · Machine-readable JSON-LD