ISRC USNO16523301
Verified recording
USNO16523301 is “B-flat minor, op. 9 n? 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x59a651863db1fcd9c7220acd06ae2e1e09158e3e4f0677ca5a544733b3964483 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/USNO16523301.
Recording identifiers
- ISRC
- USNO16523301
- Title
- B-flat minor, op. 9 n? 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x59a651863db1fcd9c7220acd06ae2e1e09158e3e4f0677ca5a544733b3964483
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:9738a5ffe711a91ddd392ce9dee3d4668437bbbe87676822176b411bc27ef986- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO16523301
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: B-flat minor, op. 9 n? 1 · Machine-readable JSON-LD