{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:FPJEUCPPM7IW4OSQRY2JB73PBS","short_pith_number":"pith:FPJEUCPP","schema_version":"1.0","canonical_sha256":"2bd24a09ef67d16e3a508e3490ff6f0c9d16642caafe3840d9c6dc00ebaee78f","source":{"kind":"arxiv","id":"1812.09684","version":1},"attestation_state":"computed","paper":{"title":"On DP-Coloring of Digraphs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.CO","authors_text":"J{\\o}rgen Bang-Jensen, Michael Stiebitz, Thomas Bellitto, Thomas Schweser","submitted_at":"2018-12-23T10:18:49Z","abstract_excerpt":"DP-coloring is a relatively new coloring concept by Dvo\\v{r}\\'ak and Postle and was introduced as an extension of list-colorings of (undirected) graphs. It transforms the problem of finding a list-coloring of a given graph $G$ with a list-assignment $L$ to finding an independent transversal in an auxiliary graph with vertex set $\\{(v,c) ~|~ v \\in V(G), c \\in L(v)\\}$. In this paper, we extend the definition of DP-colorings to digraphs using the approach from Neumann-Lara where a coloring of a digraph is a coloring of the vertices such that the digraph does not contain any monochromatic directed"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1812.09684","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.CO","submitted_at":"2018-12-23T10:18:49Z","cross_cats_sorted":[],"title_canon_sha256":"2f93669bdfec4ce8e1d0331d6831c0fabc9746e02f0df9e4310a60bfed62a519","abstract_canon_sha256":"455ef8b86ae44876679435e07ec077313a9bf532808c9e89dd0b91e35fd61f2d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:27.118513Z","signature_b64":"qm2ntgHLnl5CoGK1JYPiHkUJ2NptHXM2PX5JrgMG3kPIisxRxdHtvD7+UzpexDdD8tOh1o9WYIa1OlgeVjCFAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2bd24a09ef67d16e3a508e3490ff6f0c9d16642caafe3840d9c6dc00ebaee78f","last_reissued_at":"2026-05-17T23:57:27.117723Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:27.117723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On DP-Coloring of Digraphs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.CO","authors_text":"J{\\o}rgen Bang-Jensen, Michael Stiebitz, Thomas Bellitto, Thomas Schweser","submitted_at":"2018-12-23T10:18:49Z","abstract_excerpt":"DP-coloring is a relatively new coloring concept by Dvo\\v{r}\\'ak and Postle and was introduced as an extension of list-colorings of (undirected) graphs. It transforms the problem of finding a list-coloring of a given graph $G$ with a list-assignment $L$ to finding an independent transversal in an auxiliary graph with vertex set $\\{(v,c) ~|~ v \\in V(G), c \\in L(v)\\}$. In this paper, we extend the definition of DP-colorings to digraphs using the approach from Neumann-Lara where a coloring of a digraph is a coloring of the vertices such that the digraph does not contain any monochromatic directed"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.09684","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1812.09684","created_at":"2026-05-17T23:57:27.117852+00:00"},{"alias_kind":"arxiv_version","alias_value":"1812.09684v1","created_at":"2026-05-17T23:57:27.117852+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.09684","created_at":"2026-05-17T23:57:27.117852+00:00"},{"alias_kind":"pith_short_12","alias_value":"FPJEUCPPM7IW","created_at":"2026-05-18T12:32:25.280505+00:00"},{"alias_kind":"pith_short_16","alias_value":"FPJEUCPPM7IW4OSQ","created_at":"2026-05-18T12:32:25.280505+00:00"},{"alias_kind":"pith_short_8","alias_value":"FPJEUCPP","created_at":"2026-05-18T12:32:25.280505+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/FPJEUCPPM7IW4OSQRY2JB73PBS","json":"https://pith.science/pith/FPJEUCPPM7IW4OSQRY2JB73PBS.json","graph_json":"https://pith.science/api/pith-number/FPJEUCPPM7IW4OSQRY2JB73PBS/graph.json","events_json":"https://pith.science/api/pith-number/FPJEUCPPM7IW4OSQRY2JB73PBS/events.json","paper":"https://pith.science/paper/FPJEUCPP"},"agent_actions":{"view_html":"https://pith.science/pith/FPJEUCPPM7IW4OSQRY2JB73PBS","download_json":"https://pith.science/pith/FPJEUCPPM7IW4OSQRY2JB73PBS.json","view_paper":"https://pith.science/paper/FPJEUCPP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1812.09684&json=true","fetch_graph":"https://pith.science/api/pith-number/FPJEUCPPM7IW4OSQRY2JB73PBS/graph.json","fetch_events":"https://pith.science/api/pith-number/FPJEUCPPM7IW4OSQRY2JB73PBS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FPJEUCPPM7IW4OSQRY2JB73PBS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FPJEUCPPM7IW4OSQRY2JB73PBS/action/storage_attestation","attest_author":"https://pith.science/pith/FPJEUCPPM7IW4OSQRY2JB73PBS/action/author_attestation","sign_citation":"https://pith.science/pith/FPJEUCPPM7IW4OSQRY2JB73PBS/action/citation_signature","submit_replication":"https://pith.science/pith/FPJEUCPPM7IW4OSQRY2JB73PBS/action/replication_record"}},"created_at":"2026-05-17T23:57:27.117852+00:00","updated_at":"2026-05-17T23:57:27.117852+00:00"}