ISRC SEUM71301940
Verified recording
SEUM71301940 is “En målning av Helmer Osslund” by Tomas Ledin,
registered on the CopyrightChains blockchain with CopyrightID
0xb5e26509758fd089b203a1d47f328c2bd19479435531cf28e34a8b3c753b3caa and independently timestamped
in Bitcoin block 960105 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEUM71301940.
Recording identifiers
- ISRC
- SEUM71301940
- Title
- En målning av Helmer Osslund
- Artist
- Tomas Ledin
- CopyrightID (CopyrightChains transaction hash)
0xb5e26509758fd089b203a1d47f328c2bd19479435531cf28e34a8b3c753b3caa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:35:17+00:00
- Bitcoin block
- 960105
- Canonical record hash
sha256:ddfe07975454d886c33f9e8e9143a4133c286f8a72a29715ae13ab0481cbe7d9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEUM71301940
- Bitcoin block existence check
- https://blockstream.info/api/block/960105
Full record
Track page: En målning av Helmer Osslund · Machine-readable JSON-LD