ISRC USQX92307100
Verified recording
USQX92307100 is “Lieder ohne Worte, Op. 53: No. 4 in F Major. Adagio, MWV U 114 "Sadness of Soul"” by Felix Mendelssohn,
registered on the CopyrightChains blockchain with CopyrightID
0xf206c026894cb378330b2af84af6f56b4dc4205958f90f9537c5d268fda47dcc 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/USQX92307100.
Recording identifiers
- ISRC
- USQX92307100
- Title
- Lieder ohne Worte, Op. 53: No. 4 in F Major. Adagio, MWV U 114 "Sadness of Soul"
- Artist
- Felix Mendelssohn
- CopyrightID (CopyrightChains transaction hash)
0xf206c026894cb378330b2af84af6f56b4dc4205958f90f9537c5d268fda47dcc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:3b1f1ec10d37033fbb2258f63578d08804afd3dad1614e3560498db6e8d8cc24- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX92307100
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Lieder ohne Worte, Op. 53: No. 4 in F Major. Adagio, MWV U 114 "Sadness of Soul" · Machine-readable JSON-LD