ISRC USL4Q0731019
Verified recording
USL4Q0731019 is “From My Youth - Boris Ledkovsky” by Archangel Voices,
registered on the CopyrightChains blockchain with CopyrightID
0xb8cfdb30bdcb5ca2de823efe24c2ce537ce89621fa8426bc3c3ad91a022f2370 and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q0731019.
Recording identifiers
- ISRC
- USL4Q0731019
- Title
- From My Youth - Boris Ledkovsky
- Artist
- Archangel Voices
- CopyrightID (CopyrightChains transaction hash)
0xb8cfdb30bdcb5ca2de823efe24c2ce537ce89621fa8426bc3c3ad91a022f2370
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:0d590473b90577dfa710f1993c1a57f214013993d1d839bf5867e2eb70991a63- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q0731019
- Bitcoin block existence check
- https://blockstream.info/api/block/960344
Full record
Track page: From My Youth - Boris Ledkovsky · Machine-readable JSON-LD