ISRC US8271700383
Verified recording
US8271700383 is “L'école moderne, Op. 10: No. 7, La cadenza” by Henryk Wieniawski,
registered on the CopyrightChains blockchain with CopyrightID
0xf6f376bf21e6091d8cea0ec19b21e2c96a61198dfd8485e787f37c932961a6a4 and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8271700383.
Recording identifiers
- ISRC
- US8271700383
- Title
- L'école moderne, Op. 10: No. 7, La cadenza
- Artist
- Henryk Wieniawski
- CopyrightID (CopyrightChains transaction hash)
0xf6f376bf21e6091d8cea0ec19b21e2c96a61198dfd8485e787f37c932961a6a4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:079c46124880d8a0ad85f6d5ed49d8ba293c6029f80b64e0b3acc96c5522d9bb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8271700383
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: L'école moderne, Op. 10: No. 7, La cadenza · Machine-readable JSON-LD