ISRC TCADU1871058
Verified recording
TCADU1871058 is “4 O'clock Waltz” by David Ball,
registered on the CopyrightChains blockchain with CopyrightID
0x3df2fc889f1ee0512824809b65377acc525b1aa9b96e1e3675e66dedb751b333 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADU1871058.
Recording identifiers
- ISRC
- TCADU1871058
- Title
- 4 O'clock Waltz
- Artist
- David Ball
- CopyrightID (CopyrightChains transaction hash)
0x3df2fc889f1ee0512824809b65377acc525b1aa9b96e1e3675e66dedb751b333
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:745f482cdaaa86ab4cb5234abefca1ab849caaa6ec958e18a591e664d1b7a961- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADU1871058
- Bitcoin block existence check
- https://blockstream.info/api/block/957120