ISRC FR3KD1504399
Verified recording
FR3KD1504399 is “Piano Sonata No. 26, Op. 81a "Les adieux": I. Das Lebewohl. Adagio” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xca311e250af1f91aeed6e25dfa781036fc38676e875bc9f948aad7ece29109b1 and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR3KD1504399.
Recording identifiers
- ISRC
- FR3KD1504399
- Title
- Piano Sonata No. 26, Op. 81a "Les adieux": I. Das Lebewohl. Adagio
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xca311e250af1f91aeed6e25dfa781036fc38676e875bc9f948aad7ece29109b1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:e6f070cc0a44173537f3dba047a37afd37c151124ee5ac5eacbe080039558a70- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR3KD1504399
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Piano Sonata No. 26, Op. 81a "Les adieux": I. Das Lebewohl. Adagio · Machine-readable JSON-LD