ISRC NLY331109619
Verified recording
NLY331109619 is “Immer oder nimmer Walzer, Op. 156” by Émile Waldteufel,
registered on the CopyrightChains blockchain with CopyrightID
0xaa4ba4e758b21f003e9e4f2a9548d58413102d62ad846d7ad52e50ebb131f568 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331109619.
Recording identifiers
- ISRC
- NLY331109619
- Title
- Immer oder nimmer Walzer, Op. 156
- Artist
- Émile Waldteufel
- CopyrightID (CopyrightChains transaction hash)
0xaa4ba4e758b21f003e9e4f2a9548d58413102d62ad846d7ad52e50ebb131f568
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:a07ab5c42153e5a1fc16c1f67c1444c3d060146be8893fb573594c499a1b44a5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331109619
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Immer oder nimmer Walzer, Op. 156 · Machine-readable JSON-LD