ISRC SEWDL0719303
Verified recording
SEWDL0719303 is “Piano Sonata No. 2 in B-Flat Minor, Op. 35: III. Funeral March (Lento)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x9650dedc5fef2898c8ad5327f5370c4f3a3a94ce865c322fa294f33bdfc59fd6 and independently timestamped
in Bitcoin block 960362 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0719303.
Recording identifiers
- ISRC
- SEWDL0719303
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 35: III. Funeral March (Lento)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x9650dedc5fef2898c8ad5327f5370c4f3a3a94ce865c322fa294f33bdfc59fd6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:58:00+00:00
- Bitcoin block
- 960362
- Canonical record hash
sha256:3a4a0b9fffa9a8cb968c2b941fd282c4da9e4fc5b069bdeb1565e8d5d2c955e1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0719303
- Bitcoin block existence check
- https://blockstream.info/api/block/960362
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 35: III. Funeral March (Lento) · Machine-readable JSON-LD