ISRC QMDA61857482
Verified recording
QMDA61857482 is “Happy Days R Here” by Large Professor,
registered on the CopyrightChains blockchain with CopyrightID
0x88f79d027da665fc4331a3a6efd395b5fc9571f7f311e9f9059806d288b3b907 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA61857482.
Recording identifiers
- ISRC
- QMDA61857482
- Title
- Happy Days R Here
- Artist
- Large Professor
- CopyrightID (CopyrightChains transaction hash)
0x88f79d027da665fc4331a3a6efd395b5fc9571f7f311e9f9059806d288b3b907
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:b562e74595f563a0af2a55d78c6029e23c95f13e38d1d73bef9d937b8102c0ab- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA61857482
- Bitcoin block existence check
- https://blockstream.info/api/block/960273