ISRC ITD541400437
Verified recording
ITD541400437 is “Walzer, Op. 443” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0x7762a94f8daad629dce36065350c4b53f458593b22bc5a776cf01d635e90749a and independently timestamped
in Bitcoin block 960309 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD541400437.
Recording identifiers
- ISRC
- ITD541400437
- Title
- Walzer, Op. 443
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0x7762a94f8daad629dce36065350c4b53f458593b22bc5a776cf01d635e90749a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:35:49+00:00
- Bitcoin block
- 960309
- Canonical record hash
sha256:66b85a6dd71ebc3032f0e349c70689ea520cb13bf322e185451fa3d605ea01c8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD541400437
- Bitcoin block existence check
- https://blockstream.info/api/block/960309