ISRC USLF50801385
Verified recording
USLF50801385 is “When I Survey the Wondrous Cross / Were You There? / F. Chopin's Prelude in C Minor, Op. 28, No. 20” by Phillip Keveren,
registered on the CopyrightChains blockchain with CopyrightID
0x3f8d0ec1b892cadf6e13a6b33d6cde0347d2b101659ec55833e2fb63a050bec2 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLF50801385.
Recording identifiers
- ISRC
- USLF50801385
- Title
- When I Survey the Wondrous Cross / Were You There? / F. Chopin's Prelude in C Minor, Op. 28, No. 20
- Artist
- Phillip Keveren
- CopyrightID (CopyrightChains transaction hash)
0x3f8d0ec1b892cadf6e13a6b33d6cde0347d2b101659ec55833e2fb63a050bec2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:f4e789a1165f153a8150d5a95bcf437400627007a29d7ad7d1dbf5800894b4ed- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLF50801385
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: When I Survey the Wondrous Cross / Were You There? / F. Chopin's Prelude in C Minor, Op. 28, No. 20 · Machine-readable JSON-LD