ISRC DEFG22364501
Verified recording
DEFG22364501 is “Hollywood Songbook: No. 1a, Der Sohn. Wenn sie nachts lag und dachte” by Hanns Eisler,
registered on the CopyrightChains blockchain with CopyrightID
0xc2a37d0fbd6e8e92fa054389fe3e73161aeb5075d0c3dfde4703601a32cbcb6f and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG22364501.
Recording identifiers
- ISRC
- DEFG22364501
- Title
- Hollywood Songbook: No. 1a, Der Sohn. Wenn sie nachts lag und dachte
- Artist
- Hanns Eisler
- CopyrightID (CopyrightChains transaction hash)
0xc2a37d0fbd6e8e92fa054389fe3e73161aeb5075d0c3dfde4703601a32cbcb6f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:35da581b285901d5ef3544af6da9a9fe924cadc5550b2b61d790cee77381b408- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG22364501
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Hollywood Songbook: No. 1a, Der Sohn. Wenn sie nachts lag und dachte · Machine-readable JSON-LD