ISRC USKC61620016
Verified recording
USKC61620016 is “Heyr þu oss himnum a” by Anna Thorvaldsdottir,
registered on the CopyrightChains blockchain with CopyrightID
0x64a7003613faefa4d8204ddc858e33909b12cb5421ccd18e87319ea552ae7f65 and independently timestamped
in Bitcoin block 960381 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKC61620016.
Recording identifiers
- ISRC
- USKC61620016
- Title
- Heyr þu oss himnum a
- Artist
- Anna Thorvaldsdottir
- CopyrightID (CopyrightChains transaction hash)
0x64a7003613faefa4d8204ddc858e33909b12cb5421ccd18e87319ea552ae7f65
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:50:11+00:00
- Bitcoin block
- 960381
- Canonical record hash
sha256:acf5e5d8cfaac5fe58b14b97fe28c22c6e7a7f81442d01a2395d5a1b528ec110- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKC61620016
- Bitcoin block existence check
- https://blockstream.info/api/block/960381