ISRC DEZ921900804
Verified recording
DEZ921900804 is “Sag' mir nicht Adieu, sag' nur Auf Wiederseh'n” by Zarah Leander,
registered on the CopyrightChains blockchain with CopyrightID
0x8c83f4115f922f44fd5f768e704682d9149330d203485849b4bc1232725975f6 and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZ921900804.
Recording identifiers
- ISRC
- DEZ921900804
- Title
- Sag' mir nicht Adieu, sag' nur Auf Wiederseh'n
- Artist
- Zarah Leander
- CopyrightID (CopyrightChains transaction hash)
0x8c83f4115f922f44fd5f768e704682d9149330d203485849b4bc1232725975f6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:8eaf540d53cbd95f2961d08df53cd948a19a4ccd696a85a248b18343a10d793e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZ921900804
- Bitcoin block existence check
- https://blockstream.info/api/block/960291
Full record
Track page: Sag' mir nicht Adieu, sag' nur Auf Wiederseh'n · Machine-readable JSON-LD