ISRC SEWDL6142646
Verified recording
SEWDL6142646 is “Piano Sonata No. 2, Op. 2 No. 2: II. Largo appasionato” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x5fc0f1829ab84262b1e921bac79297fecf1593c86b64793cba7df905bdb9c406 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/SEWDL6142646.
Recording identifiers
- ISRC
- SEWDL6142646
- Title
- Piano Sonata No. 2, Op. 2 No. 2: II. Largo appasionato
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x5fc0f1829ab84262b1e921bac79297fecf1593c86b64793cba7df905bdb9c406
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:20f4e7e7516dca09448737c8cbc8ad577e6421e37e19ce933dede0bf361892e7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL6142646
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Sonata No. 2, Op. 2 No. 2: II. Largo appasionato · Machine-readable JSON-LD