ISRC DEF057000149
Verified recording
DEF057000149 is “Symphony No. 9 In D Minor, Op. 125 - "Choral": 4. Presto - "O Freunde nicht diese Töne" -” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x0240b49b12f253a0c6e3e521b3ea3eee18033e789685f87dd9998a07d6b89b69 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057000149.
Recording identifiers
- ISRC
- DEF057000149
- Title
- Symphony No. 9 In D Minor, Op. 125 - "Choral": 4. Presto - "O Freunde nicht diese Töne" -
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x0240b49b12f253a0c6e3e521b3ea3eee18033e789685f87dd9998a07d6b89b69
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:a472ee48ed21bb1ae9e122e32ee77d12da639202ccf9985a2f21ad930c2f82c3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057000149
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Symphony No. 9 In D Minor, Op. 125 - "Choral": 4. Presto - "O Freunde nicht diese Töne" - · Machine-readable JSON-LD