ISRC SEAEH9404070
Verified recording
SEAEH9404070 is “String Quartet No. 2 in C Minor: III. NachtstUck” by Rudolf Tobias,
registered on the CopyrightChains blockchain with CopyrightID
0x59d18e7e16c940ef3f3a1183417f7e2802c79692d7d295f1bbd8a8d176441f33 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEH9404070.
Recording identifiers
- ISRC
- SEAEH9404070
- Title
- String Quartet No. 2 in C Minor: III. NachtstUck
- Artist
- Rudolf Tobias
- CopyrightID (CopyrightChains transaction hash)
0x59d18e7e16c940ef3f3a1183417f7e2802c79692d7d295f1bbd8a8d176441f33
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:bf48449b7e69ad2bc212ce871d45e8f5ce99003a2b0efbd21d29baf4edba2aeb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEH9404070
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: String Quartet No. 2 in C Minor: III. NachtstUck · Machine-readable JSON-LD