ISRC NLHK11100016
Verified recording
NLHK11100016 is “12 Etudes, Op. 10: No. 12 in C Minor "Revolutionary"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x9bd2c1788f631f1371ed2bd3a01198579596b667592ec3e1ab52fd51e2ef261b and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLHK11100016.
Recording identifiers
- ISRC
- NLHK11100016
- Title
- 12 Etudes, Op. 10: No. 12 in C Minor "Revolutionary"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x9bd2c1788f631f1371ed2bd3a01198579596b667592ec3e1ab52fd51e2ef261b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:ad2e4e4cee94d8e8b72b6c9dcd3148a324ab41e42a9d7ad4ac2ed1327dc9f0d4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLHK11100016
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: 12 Etudes, Op. 10: No. 12 in C Minor "Revolutionary" · Machine-readable JSON-LD