ISRC USNO16523319
Verified recording
USNO16523319 is “E minor, Op. 72, n? 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x18c0935f50c9533315b213f6f9d725c605d1afbc3d1c3dd9dedafc319fab991f and independently timestamped
in Bitcoin block 957043 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO16523319.
Recording identifiers
- ISRC
- USNO16523319
- Title
- E minor, Op. 72, n? 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x18c0935f50c9533315b213f6f9d725c605d1afbc3d1c3dd9dedafc319fab991f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T13:52:39+00:00
- Bitcoin block
- 957043
- Canonical record hash
sha256:414731ddee1b6376d684672b39d96694955e99da72a4b7c9fb467221c079981f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO16523319
- Bitcoin block existence check
- https://blockstream.info/api/block/957043
Full record
Track page: E minor, Op. 72, n? 1 · Machine-readable JSON-LD