ISRC FRZ751101075
Verified recording
FRZ751101075 is “Only Tough People Last” by Kaltblume,
registered on the CopyrightChains blockchain with CopyrightID
0xe4fb3ec2bea2be284f51e3d1ec2c25a70c1f89261eb18eb2e1a59bdcabacd1b6 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ751101075.
Recording identifiers
- ISRC
- FRZ751101075
- Title
- Only Tough People Last
- Artist
- Kaltblume
- CopyrightID (CopyrightChains transaction hash)
0xe4fb3ec2bea2be284f51e3d1ec2c25a70c1f89261eb18eb2e1a59bdcabacd1b6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:3034d761bd4f7e34ab499d961d9f9aea524aa6bfb10228871843cb1e904bcb09- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ751101075
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Only Tough People Last · Machine-readable JSON-LD