ISRC QM7281972594
Verified recording
QM7281972594 is “Old Swedish Folktune From Dalecarlia - Arr. for 2 trumpets and Orchestra” by Oskar Fredrik Lindberg,
registered on the CopyrightChains blockchain with CopyrightID
0x1611c67538e143f40599ed4de9a9563ecfb1d5e4e03ba5c5734ad32a1c6e1285 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/QM7281972594.
Recording identifiers
- ISRC
- QM7281972594
- Title
- Old Swedish Folktune From Dalecarlia - Arr. for 2 trumpets and Orchestra
- Artist
- Oskar Fredrik Lindberg
- CopyrightID (CopyrightChains transaction hash)
0x1611c67538e143f40599ed4de9a9563ecfb1d5e4e03ba5c5734ad32a1c6e1285
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:7834d394dfb97ca7cbddeb72e2abe58c9af8c0f6745c9c3925d92b57cb37e74d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM7281972594
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Old Swedish Folktune From Dalecarlia - Arr. for 2 trumpets and Orchestra · Machine-readable JSON-LD