ISRC QMANK1500053
Verified recording
QMANK1500053 is “Heidelberg Blues” by Malcolm Holcombe,
registered on the CopyrightChains blockchain with CopyrightID
0x3d318085768d474c329a2cb164424e1c186fdee172cd8f1b24c8975a99a1a6ec and independently timestamped
in Bitcoin block 960352 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMANK1500053.
Recording identifiers
- ISRC
- QMANK1500053
- Title
- Heidelberg Blues
- Artist
- Malcolm Holcombe
- CopyrightID (CopyrightChains transaction hash)
0x3d318085768d474c329a2cb164424e1c186fdee172cd8f1b24c8975a99a1a6ec
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:48:30+00:00
- Bitcoin block
- 960352
- Canonical record hash
sha256:920861e4c28351a80cb62e583c9c755bb1ddaa3edacc92d1cf1587db73717602- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMANK1500053
- Bitcoin block existence check
- https://blockstream.info/api/block/960352