ISRC CH0270832120
Verified recording
CH0270832120 is “Der Lindenbaum (Am Brunnen vor dem Tore) - Sonja Dora (Polarstern)” by Das Orchester Claudius Alzner,
registered on the CopyrightChains blockchain with CopyrightID
0x09159228015f6862dfedb1f3897204f78eaffc29e0e19575bacc37ccd6f5a686 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH0270832120.
Recording identifiers
- ISRC
- CH0270832120
- Title
- Der Lindenbaum (Am Brunnen vor dem Tore) - Sonja Dora (Polarstern)
- Artist
- Das Orchester Claudius Alzner
- CopyrightID (CopyrightChains transaction hash)
0x09159228015f6862dfedb1f3897204f78eaffc29e0e19575bacc37ccd6f5a686
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:62f5ffa8bb32d4ffd6350c4436fb1fc90180277193bfdea1c9dfd5b832020fe1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH0270832120
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Der Lindenbaum (Am Brunnen vor dem Tore) - Sonja Dora (Polarstern) · Machine-readable JSON-LD