ISRC HKI199353508
Verified recording
HKI199353508 is “Toujours ou jamais, Waltz, Op. 156” by Émile Waldteufel,
registered on the CopyrightChains blockchain with CopyrightID
0x2e7beb035730a401fb022a9f6a9cb69aad8c738208be23cadede46654e6380eb and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199353508.
Recording identifiers
- ISRC
- HKI199353508
- Title
- Toujours ou jamais, Waltz, Op. 156
- Artist
- Émile Waldteufel
- CopyrightID (CopyrightChains transaction hash)
0x2e7beb035730a401fb022a9f6a9cb69aad8c738208be23cadede46654e6380eb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:1f6f826b7cc8381ba5859def9509f8fd9d49b809ca5302e7df9d8aeff74cfcfb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199353508
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Toujours ou jamais, Waltz, Op. 156 · Machine-readable JSON-LD