ISRC DEF059606184
Verified recording
DEF059606184 is “String Quartet No. 11 In F Minor, Op. 95 - "Serioso": 4. Larghetto espressivo - Allegretto agitato” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xc7c6453baa807e5f58c32febff122e914fec04e978008d5cbcc1d6752e7fc7a5 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/DEF059606184.
Recording identifiers
- ISRC
- DEF059606184
- Title
- String Quartet No. 11 In F Minor, Op. 95 - "Serioso": 4. Larghetto espressivo - Allegretto agitato
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xc7c6453baa807e5f58c32febff122e914fec04e978008d5cbcc1d6752e7fc7a5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:d9f0b98a35f82b7691caacd3bd0744d62874174e719f6b4cdd58664c42a3860d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059606184
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartet No. 11 In F Minor, Op. 95 - "Serioso": 4. Larghetto espressivo - Allegretto agitato · Machine-readable JSON-LD