ISRC GBCLS0002054
Verified recording
GBCLS0002054 is “Hark! The Herald Angels Sing” by Felix Mendelssohn,
registered on the CopyrightChains blockchain with CopyrightID
0xf417dfb84a52517cb576c34df7fe1b82d0222d12aeab24437ef015b07c980962 and independently timestamped
in Bitcoin block 960300 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCLS0002054.
Recording identifiers
- ISRC
- GBCLS0002054
- Title
- Hark! The Herald Angels Sing
- Artist
- Felix Mendelssohn
- CopyrightID (CopyrightChains transaction hash)
0xf417dfb84a52517cb576c34df7fe1b82d0222d12aeab24437ef015b07c980962
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T19:42:40+00:00
- Bitcoin block
- 960300
- Canonical record hash
sha256:b01291c161bbf6676c87e71ce03a7251cbc14b3783834123caa0c31f7d1614ed- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCLS0002054
- Bitcoin block existence check
- https://blockstream.info/api/block/960300
Full record
Track page: Hark! The Herald Angels Sing · Machine-readable JSON-LD