ISRC USKO10407667
Verified recording
USKO10407667 is “Hark, The Herald Angels Sing” by Vienna Boys' Choir,
registered on the CopyrightChains blockchain with CopyrightID
0x6e28f3798b046fa93a813f0c4b4dda832cfe6f80b45c01945b3041dc5e26c990 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO10407667.
Recording identifiers
- ISRC
- USKO10407667
- Title
- Hark, The Herald Angels Sing
- Artist
- Vienna Boys' Choir
- CopyrightID (CopyrightChains transaction hash)
0x6e28f3798b046fa93a813f0c4b4dda832cfe6f80b45c01945b3041dc5e26c990
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:7b6480e55bb2918780fba2dbeef425c32353199bc7a4c2665074c72db3872c90- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO10407667
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Hark, The Herald Angels Sing · Machine-readable JSON-LD