ISRC SEWDL0390119
Verified recording
SEWDL0390119 is “Les Patineurs Valse (The Skater's Waltz), Op. 183” by Émile Waldteufel,
registered on the CopyrightChains blockchain with CopyrightID
0x3880fe37ae869a4a6ced0c7ce20ede4a923eb4cdf7439a817e42eb0ff5c5947d and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0390119.
Recording identifiers
- ISRC
- SEWDL0390119
- Title
- Les Patineurs Valse (The Skater's Waltz), Op. 183
- Artist
- Émile Waldteufel
- CopyrightID (CopyrightChains transaction hash)
0x3880fe37ae869a4a6ced0c7ce20ede4a923eb4cdf7439a817e42eb0ff5c5947d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:3d18ada2021c3fe4af186eee360acbb83f3bc34f5d8c8719d51e0a607d4b5eda- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0390119
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Les Patineurs Valse (The Skater's Waltz), Op. 183 · Machine-readable JSON-LD