ISRC DEF057504655
Verified recording
DEF057504655 is “Symphony No. 9 in D Minor, Op. 125 "Choral": IVb. Allegro molto assai "O Freunde, nicht diese Töne!"” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xe7160ce9d88dbf6f225d6fcb0ca9bac1ae6f70f84cba15b4b02e6bc594723aaf and independently timestamped
in Bitcoin block 960317 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057504655.
Recording identifiers
- ISRC
- DEF057504655
- Title
- Symphony No. 9 in D Minor, Op. 125 "Choral": IVb. Allegro molto assai "O Freunde, nicht diese Töne!"
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xe7160ce9d88dbf6f225d6fcb0ca9bac1ae6f70f84cba15b4b02e6bc594723aaf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T21:35:24+00:00
- Bitcoin block
- 960317
- Canonical record hash
sha256:b0765b26b28e80e2f67dbd87bafd7ec3aa102b9a5f0cb9536ef2bdd3aced3ab8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057504655
- Bitcoin block existence check
- https://blockstream.info/api/block/960317
Full record
Track page: Symphony No. 9 in D Minor, Op. 125 "Choral": IVb. Allegro molto assai "O Freunde, nicht diese Töne!" · Machine-readable JSON-LD