ISRC US23A1546205
Verified recording
US23A1546205 is “Lacrimosa for Guitar & Cello” by John Brunning,
registered on the CopyrightChains blockchain with CopyrightID
0x3dd47ceea4730bd9dedff637b4f3a78689d5c8141407514c1467cc599b54f664 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23A1546205.
Recording identifiers
- ISRC
- US23A1546205
- Title
- Lacrimosa for Guitar & Cello
- Artist
- John Brunning
- CopyrightID (CopyrightChains transaction hash)
0x3dd47ceea4730bd9dedff637b4f3a78689d5c8141407514c1467cc599b54f664
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:30ad66981cea396b9c00794c38c517ee43f43dd8340f8bc54757690841cf8acf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23A1546205
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Lacrimosa for Guitar & Cello · Machine-readable JSON-LD