ISRC ATUM71900244
Verified recording
ATUM71900244 is “Ey Katharina” by Zweikanalton,
registered on the CopyrightChains blockchain with CopyrightID
0x7702d4c8b49d2d492ef3e5648e7a4ca018c8ec4ea296c76e703294f2b640dcf6 and independently timestamped
in Bitcoin block 959155 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATUM71900244.
Recording identifiers
- ISRC
- ATUM71900244
- Title
- Ey Katharina
- Artist
- Zweikanalton
- CopyrightID (CopyrightChains transaction hash)
0x7702d4c8b49d2d492ef3e5648e7a4ca018c8ec4ea296c76e703294f2b640dcf6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T16:43:41+00:00
- Bitcoin block
- 959155
- Canonical record hash
sha256:2d1af314edb0988ff23565e8aa780cd2d5f5d0c190f8c0a93043abe44fb6499f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATUM71900244
- Bitcoin block existence check
- https://blockstream.info/api/block/959155