ISRC ITD541400404
Verified recording
ITD541400404 is “Violin Concerto No. 2 in D Minor, Op. 61: II. Andantino sostenuto” by Karol Szymanowski,
registered on the CopyrightChains blockchain with CopyrightID
0x40faf1ce58ab31db78d7eb393cf4c966d9206ae0563fe35be0c23c3417fa1a5e 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/ITD541400404.
Recording identifiers
- ISRC
- ITD541400404
- Title
- Violin Concerto No. 2 in D Minor, Op. 61: II. Andantino sostenuto
- Artist
- Karol Szymanowski
- CopyrightID (CopyrightChains transaction hash)
0x40faf1ce58ab31db78d7eb393cf4c966d9206ae0563fe35be0c23c3417fa1a5e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:c1232e6dd28adbcc6838e656a6d1a1db1901572985dd7cc603206bc8357d4f63- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD541400404
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Violin Concerto No. 2 in D Minor, Op. 61: II. Andantino sostenuto · Machine-readable JSON-LD