ISRC SEPQD6421430
Verified recording
SEPQD6421430 is “O'Sheriff” by Siw Malmkvist,
registered on the CopyrightChains blockchain with CopyrightID
0x9c88b610f0c0d18f77a4addeb43c424832988794acb00e9595b8824cd5797a10 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEPQD6421430.
Recording identifiers
- ISRC
- SEPQD6421430
- Title
- O'Sheriff
- Artist
- Siw Malmkvist
- CopyrightID (CopyrightChains transaction hash)
0x9c88b610f0c0d18f77a4addeb43c424832988794acb00e9595b8824cd5797a10
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:7ecedaffc976af21e0ee1e67b01993784b5b7cd8d74f15188ce3c1caecaa7941- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEPQD6421430
- Bitcoin block existence check
- https://blockstream.info/api/block/953513