ISRC SEPQM0610621
Verified recording
SEPQM0610621 is “Det smärtar mitt hjärta” by Lasse Stefanz,
registered on the CopyrightChains blockchain with CopyrightID
0xcb1d53ffb32128634cd84bae04c41ff95a19cb315bb2ce10d3f0927a1bc5ee00 and independently timestamped
in Bitcoin block 960167 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEPQM0610621.
Recording identifiers
- ISRC
- SEPQM0610621
- Title
- Det smärtar mitt hjärta
- Artist
- Lasse Stefanz
- CopyrightID (CopyrightChains transaction hash)
0xcb1d53ffb32128634cd84bae04c41ff95a19cb315bb2ce10d3f0927a1bc5ee00
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:42:34+00:00
- Bitcoin block
- 960167
- Canonical record hash
sha256:374d442ee940865d7ee21d32f9a048e24c984294d30cdbd35bda5d8224212632- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEPQM0610621
- Bitcoin block existence check
- https://blockstream.info/api/block/960167
Full record
Track page: Det smärtar mitt hjärta · Machine-readable JSON-LD