ISRC NLQ662481930
Verified recording
NLQ662481930 is “Das weiß ich fürwahr: VI. Tutti Da Capo - Das weiß ich fürwahr” by Johann Philipp Förtsch,
registered on the CopyrightChains blockchain with CopyrightID
0xcf3fa216bfb7ac189b7af27f3d5d7b9d06f6abfbfaa3bf7468b2ef8c5a84d466 and independently timestamped
in Bitcoin block 960497 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQ662481930.
Recording identifiers
- ISRC
- NLQ662481930
- Title
- Das weiß ich fürwahr: VI. Tutti Da Capo - Das weiß ich fürwahr
- Artist
- Johann Philipp Förtsch
- CopyrightID (CopyrightChains transaction hash)
0xcf3fa216bfb7ac189b7af27f3d5d7b9d06f6abfbfaa3bf7468b2ef8c5a84d466
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T02:22:04+00:00
- Bitcoin block
- 960497
- Canonical record hash
sha256:6a3aa8c0cfb0e1bd86b345baccd9760ed05479d63161bc92596167ae6b75e014- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQ662481930
- Bitcoin block existence check
- https://blockstream.info/api/block/960497
Full record
Track page: Das weiß ich fürwahr: VI. Tutti Da Capo - Das weiß ich fürwahr · Machine-readable JSON-LD