ISRC ATMA40501471
Verified recording
ATMA40501471 is “Die Gräfin Mariza, Act I: Finale I - Auch ich war einst (Mariza, Tassilo)” by Emmerich Kálmán,
registered on the CopyrightChains blockchain with CopyrightID
0x9ae5c29424b89918eeb5055c253267d293d5caaab9c749b721be4a36da5ebaa4 and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATMA40501471.
Recording identifiers
- ISRC
- ATMA40501471
- Title
- Die Gräfin Mariza, Act I: Finale I - Auch ich war einst (Mariza, Tassilo)
- Artist
- Emmerich Kálmán
- CopyrightID (CopyrightChains transaction hash)
0x9ae5c29424b89918eeb5055c253267d293d5caaab9c749b721be4a36da5ebaa4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:2959cf1aebc0ecd74e66851319fd84b24319d7fcea3e6bbe63467954a2a603f2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATMA40501471
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Die Gräfin Mariza, Act I: Finale I - Auch ich war einst (Mariza, Tassilo) · Machine-readable JSON-LD