ISRC QMBZ91639449
Verified recording
QMBZ91639449 is “The Shadow of Your Smile” by Cedar Walton,
registered on the CopyrightChains blockchain with CopyrightID
0x719a1cdb4fb2df957974620529e72866959622d819d6bac7c37601e30fba6352 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/QMBZ91639449.
Recording identifiers
- ISRC
- QMBZ91639449
- Title
- The Shadow of Your Smile
- Artist
- Cedar Walton
- CopyrightID (CopyrightChains transaction hash)
0x719a1cdb4fb2df957974620529e72866959622d819d6bac7c37601e30fba6352
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:ad738597aa9e9a24712297baf7ca0037e94a3b9724042baf1bc75522f0c278e0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91639449
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: The Shadow of Your Smile · Machine-readable JSON-LD