ISRC USNO16523315
Verified recording
USNO16523315 is “F minor, Op. 55, n? 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x2ffa25abbc1b44ab1d01c2825f5ea01ca98b450bcfd6d35a7ddeaf1224babad4 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/USNO16523315.
Recording identifiers
- ISRC
- USNO16523315
- Title
- F minor, Op. 55, n? 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x2ffa25abbc1b44ab1d01c2825f5ea01ca98b450bcfd6d35a7ddeaf1224babad4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:4a997da16947e475d1a0156495bfdf8b0ab81af87d53dd6bbc85bac35f5fe560- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO16523315
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: F minor, Op. 55, n? 1 · Machine-readable JSON-LD