ISRC DEF057503588
Verified recording
DEF057503588 is “Symphony No. 9 in D Minor, Op. 125: Presto - "O Freunde, nicht diese Töne!" - Allegro assai” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xe38449838cc749196c09d8cda574c3c450bcfc049a3cfd3eba7a509b2f511d6e and independently timestamped
in Bitcoin block 960121 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057503588.
Recording identifiers
- ISRC
- DEF057503588
- Title
- Symphony No. 9 in D Minor, Op. 125: Presto - "O Freunde, nicht diese Töne!" - Allegro assai
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xe38449838cc749196c09d8cda574c3c450bcfc049a3cfd3eba7a509b2f511d6e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T15:22:21+00:00
- Bitcoin block
- 960121
- Canonical record hash
sha256:04f9f1ca3da5bb952c01830bf033f992f111056f7e05eed5e751cd0ebb79728d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057503588
- Bitcoin block existence check
- https://blockstream.info/api/block/960121
Full record
Track page: Symphony No. 9 in D Minor, Op. 125: Presto - "O Freunde, nicht diese Töne!" - Allegro assai · Machine-readable JSON-LD