ISRC ITBZ82300655
Verified recording
ITBZ82300655 is “Harmony Club Waltz” by Scott Joplin,
registered on the CopyrightChains blockchain with CopyrightID
0xc2fa28b4b7e529e1cc78a459bea5c05bcbfa062358992dc240d20bf489fe003c 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/ITBZ82300655.
Recording identifiers
- ISRC
- ITBZ82300655
- Title
- Harmony Club Waltz
- Artist
- Scott Joplin
- CopyrightID (CopyrightChains transaction hash)
0xc2fa28b4b7e529e1cc78a459bea5c05bcbfa062358992dc240d20bf489fe003c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:61a986de3a212928e873f559fc02be060b4258b947b9f7d4528c1e3ed151f009- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITBZ82300655
- Bitcoin block existence check
- https://blockstream.info/api/block/960334