ISRC DEF059703253
Verified recording
DEF059703253 is “Piano Sonata No. 12 in A-Flat Major, Op. 26: III. Marcia funebre sulla morte d'un Eroe” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x8c22fa9bc3d5d5aa2fb0e4295953dc88625cf75a7702e7e7c4bcecbdcbacbf84 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/DEF059703253.
Recording identifiers
- ISRC
- DEF059703253
- Title
- Piano Sonata No. 12 in A-Flat Major, Op. 26: III. Marcia funebre sulla morte d'un Eroe
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x8c22fa9bc3d5d5aa2fb0e4295953dc88625cf75a7702e7e7c4bcecbdcbacbf84
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:0ce8e91c7bddbb9f7be50ea18586e66906fe938654680b8d03d36a93cdfa7098- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059703253
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Sonata No. 12 in A-Flat Major, Op. 26: III. Marcia funebre sulla morte d'un Eroe · Machine-readable JSON-LD