ISRC QMKQ51300810
Verified recording
QMKQ51300810 is “That Old Black Magic” by Bing Crosby,
registered on the CopyrightChains blockchain with CopyrightID
0x7d638efc575cee44476dd8352d1da3cd19d1b9c7ff887c7ee2f7c9cddc54faef 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/QMKQ51300810.
Recording identifiers
- ISRC
- QMKQ51300810
- Title
- That Old Black Magic
- Artist
- Bing Crosby
- CopyrightID (CopyrightChains transaction hash)
0x7d638efc575cee44476dd8352d1da3cd19d1b9c7ff887c7ee2f7c9cddc54faef
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:af759435f4b6fd30f62427b3c8ff1e8792856677c16b5aff63868124bf624a81- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMKQ51300810
- Bitcoin block existence check
- https://blockstream.info/api/block/960138