ISRC US3M50235611
Verified recording
US3M50235611 is “Unfaithful - From "Unfaithful"” by Jan A.P. Kaczmarek,
registered on the CopyrightChains blockchain with CopyrightID
0x55559a4b71e640d5fa93d2f07198c1e41d5241d1a7a90a36d308b41f7f26f61d 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/US3M50235611.
Recording identifiers
- ISRC
- US3M50235611
- Title
- Unfaithful - From "Unfaithful"
- Artist
- Jan A.P. Kaczmarek
- CopyrightID (CopyrightChains transaction hash)
0x55559a4b71e640d5fa93d2f07198c1e41d5241d1a7a90a36d308b41f7f26f61d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:fd3f8f4106ef0cb918e2c776852c4838e46525e993e394b71a2c60d706a56fdd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3M50235611
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Unfaithful - From "Unfaithful" · Machine-readable JSON-LD