ISRC QMBZ91639444
Verified recording
QMBZ91639444 is “Summertime” by Cedar Walton,
registered on the CopyrightChains blockchain with CopyrightID
0x102512d6cadb7e6b3ffec1f7ea4f01bcb8f94cf2316bd838883de1fd3832f429 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91639444.
Recording identifiers
- ISRC
- QMBZ91639444
- Title
- Summertime
- Artist
- Cedar Walton
- CopyrightID (CopyrightChains transaction hash)
0x102512d6cadb7e6b3ffec1f7ea4f01bcb8f94cf2316bd838883de1fd3832f429
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:f447b134848ca547a314645933264967bfaa569556b1ae5bc85af79c2a30b751- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91639444
- Bitcoin block existence check
- https://blockstream.info/api/block/956304