ISRC QZDA81892737
Verified recording
QZDA81892737 is “Holdin' You Down” by Last Jazz Club,
registered on the CopyrightChains blockchain with CopyrightID
0x14c1e72e1a33f545e670199538452ac1fecf6013fed708e2d90364160f28dcbb and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA81892737.
Recording identifiers
- ISRC
- QZDA81892737
- Title
- Holdin' You Down
- Artist
- Last Jazz Club
- CopyrightID (CopyrightChains transaction hash)
0x14c1e72e1a33f545e670199538452ac1fecf6013fed708e2d90364160f28dcbb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:3922ca08f2d0cecaf954a225baa84ad587e5a9b8d60784d9771132e3345826e2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA81892737
- Bitcoin block existence check
- https://blockstream.info/api/block/957118