ISRC USSM18900225
Verified recording
USSM18900225 is “Piano Concerto No. 2 in F Minor, Op. 21: II. Larghetto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x7ceb2907889962aa25b508b24ac4f9d7da0b0332bade18b7b0900223f9695134 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18900225.
Recording identifiers
- ISRC
- USSM18900225
- Title
- Piano Concerto No. 2 in F Minor, Op. 21: II. Larghetto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x7ceb2907889962aa25b508b24ac4f9d7da0b0332bade18b7b0900223f9695134
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:4313fdc37eec17a91aebc89a0c6c820bf9cfafed429886c3129622e7f4d67264- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18900225
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Concerto No. 2 in F Minor, Op. 21: II. Larghetto · Machine-readable JSON-LD