ISRC DEN961904660
Verified recording
DEN961904660 is “Sieben Lieder, Op. 2: II. Ist der Himmel darum im Lenz so blau” by Hans Pfitzner,
registered on the CopyrightChains blockchain with CopyrightID
0x36481b6b8b12f1517cd09286bf1816bbe102a6e0a7778862c00a4946d275d036 and independently timestamped
in Bitcoin block 957124 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961904660.
Recording identifiers
- ISRC
- DEN961904660
- Title
- Sieben Lieder, Op. 2: II. Ist der Himmel darum im Lenz so blau
- Artist
- Hans Pfitzner
- CopyrightID (CopyrightChains transaction hash)
0x36481b6b8b12f1517cd09286bf1816bbe102a6e0a7778862c00a4946d275d036
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:53:27+00:00
- Bitcoin block
- 957124
- Canonical record hash
sha256:8d5608e433f40c6dee7c3e3dc2e06d1f729738805a66f4029e47bd63246f1523- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961904660
- Bitcoin block existence check
- https://blockstream.info/api/block/957124
Full record
Track page: Sieben Lieder, Op. 2: II. Ist der Himmel darum im Lenz so blau · Machine-readable JSON-LD