ISRC ARF411900344
Verified recording
ARF411900344 is “Hold on My Heart” by The Cooltrane Quartet,
registered on the CopyrightChains blockchain with CopyrightID
0x9ce6c899af23cf64f8b8aeb97992b0978520d20920a356da440d35ced0955c6a and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF411900344.
Recording identifiers
- ISRC
- ARF411900344
- Title
- Hold on My Heart
- Artist
- The Cooltrane Quartet
- CopyrightID (CopyrightChains transaction hash)
0x9ce6c899af23cf64f8b8aeb97992b0978520d20920a356da440d35ced0955c6a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:c33ace72a4a8b383ce62f47cf187ee4591fd8eb5c985125dcdf3b37d67d2b974- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF411900344
- Bitcoin block existence check
- https://blockstream.info/api/block/960138