ISRC USKC61215307
Verified recording
USKC61215307 is “Polonaise (arr. for chamber ensemble)” by Traditional,
registered on the CopyrightChains blockchain with CopyrightID
0x5e897993a5521746d310b3e7587bf1884749a09580f27050cc672b78b09e1a10 and independently timestamped
in Bitcoin block 960218 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKC61215307.
Recording identifiers
- ISRC
- USKC61215307
- Title
- Polonaise (arr. for chamber ensemble)
- Artist
- Traditional
- CopyrightID (CopyrightChains transaction hash)
0x5e897993a5521746d310b3e7587bf1884749a09580f27050cc672b78b09e1a10
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T06:57:05+00:00
- Bitcoin block
- 960218
- Canonical record hash
sha256:afbfb2abfb4ac7923c745da45af2de05438a66d5b325fbb084620ed33dfb962d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKC61215307
- Bitcoin block existence check
- https://blockstream.info/api/block/960218
Full record
Track page: Polonaise (arr. for chamber ensemble) · Machine-readable JSON-LD