ISRC DEF056802102
Verified recording
DEF056802102 is “String Quartet, Op. 3: 2. Mässige viertel” by Alban Berg,
registered on the CopyrightChains blockchain with CopyrightID
0x7b7eb076eac7ebb956bdfab449db2eef3e96971a884f1c040eea00e5c2f9f4bc and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056802102.
Recording identifiers
- ISRC
- DEF056802102
- Title
- String Quartet, Op. 3: 2. Mässige viertel
- Artist
- Alban Berg
- CopyrightID (CopyrightChains transaction hash)
0x7b7eb076eac7ebb956bdfab449db2eef3e96971a884f1c040eea00e5c2f9f4bc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:bc24f2aebe18f4a7909112bd7d276343213ffbc1314d65dcd9be4f46eabd3b06- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056802102
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: String Quartet, Op. 3: 2. Mässige viertel · Machine-readable JSON-LD