ISRC QMRSZ2101665
Verified recording
QMRSZ2101665 is “Yesterday” by Big K.R.I.T.,
registered on the CopyrightChains blockchain with CopyrightID
0xcb205d1a021e91b01b8a5fe0bfb1b3a22f3199593ad53d9c23e26606fba3c1e8 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMRSZ2101665.
Recording identifiers
- ISRC
- QMRSZ2101665
- Title
- Yesterday
- Artist
- Big K.R.I.T.
- CopyrightID (CopyrightChains transaction hash)
0xcb205d1a021e91b01b8a5fe0bfb1b3a22f3199593ad53d9c23e26606fba3c1e8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:09052a45745657cb24a0669e84fbd2f65e3695c93325ffabe218486c300a88aa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMRSZ2101665
- Bitcoin block existence check
- https://blockstream.info/api/block/953520