ISRC USKO10407663
Verified recording
USKO10407663 is “Sing A Joyful Song Of Christmas” by Vienna Boys' Choir,
registered on the CopyrightChains blockchain with CopyrightID
0x8a70c14a15ea106ca59148ea1e1e7a0c3edeb90c572ada9c1e294b4672ffc1c9 and independently timestamped
in Bitcoin block 960494 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO10407663.
Recording identifiers
- ISRC
- USKO10407663
- Title
- Sing A Joyful Song Of Christmas
- Artist
- Vienna Boys' Choir
- CopyrightID (CopyrightChains transaction hash)
0x8a70c14a15ea106ca59148ea1e1e7a0c3edeb90c572ada9c1e294b4672ffc1c9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T01:44:32+00:00
- Bitcoin block
- 960494
- Canonical record hash
sha256:ff599fc502332592081e71d205ebf3593a75366c7193f0cc689c81df50809843- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO10407663
- Bitcoin block existence check
- https://blockstream.info/api/block/960494
Full record
Track page: Sing A Joyful Song Of Christmas · Machine-readable JSON-LD