Why don’t my works have a trust marker in ORCID if I use ORCID Search & Link?

There are two ways that works with a DataCite DOI can be linked to your ORCID record:

ORCID auto-update
When you enable auto-update, DOI records are automatically added to your ORCID record when your ORCID iD is included in the creators metadata of a created or updated DataCite DOI. Items within an ORCID record that have been asserted by a member integrator (e.g. DataCite) will show the green check mark icon next to the source.

ORCID Search & Link
ORCID Search & Link functionality allows a researcher to manually add a DOI record to their ORCID record using DataCite Commons. In this case, the researcher is the assertion source rather than DataCite. According to the ORCID source classifications, these records are not given the green check mark and are instead attributed to the researcher.

Read more about what a source is in the ORCID documentation and also find out more about the changes to the ORCID/DataCite integration.