At this level
pub.openletter ยท 5- pub.openletter.contribution record A co-author's attestation that they helped write a petition, paired with the petition's contributors list.
- pub.openletter.draft record A work-in-progress letter, published as a pub.openletter.petition when ready.
- pub.openletter.endorsement record A signer's support for a petition.
- pub.openletter.objection record A signer's dissent against a petition.
- pub.openletter.petition record An open letter that others can endorse or object to.