ISRC USKC61923209
Verified recording
USKC61923209 is “Nebraska: IV. Plainsong” by Valgeir Sigurðsson,
registered on the CopyrightChains blockchain with CopyrightID
0x3263bf79d5944d473ce5c3b912e8edb49209d2497796368036332d21a2bc6be4 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKC61923209.
Recording identifiers
- ISRC
- USKC61923209
- Title
- Nebraska: IV. Plainsong
- Artist
- Valgeir Sigurðsson
- CopyrightID (CopyrightChains transaction hash)
0x3263bf79d5944d473ce5c3b912e8edb49209d2497796368036332d21a2bc6be4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:8a176ffd9b2df9a6d8a2821d1a38e4e61086e46b43bdd20e116328a2a9d84f55- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKC61923209
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Nebraska: IV. Plainsong · Machine-readable JSON-LD