{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:B54WFHYL2S3JVTJNSRKAHKAXR7","short_pith_number":"pith:B54WFHYL","canonical_record":{"source":{"id":"1710.04440","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-10-12T10:49:04Z","cross_cats_sorted":[],"title_canon_sha256":"f05cb42b6c34b2449f487a53231ee80dbcbfae202b8683be7881603f2c9c3aa6","abstract_canon_sha256":"88e44989842dea4c83791ab64199c7894099535e212eaf284deb5996d80c52f0"},"schema_version":"1.0"},"canonical_sha256":"0f79629f0bd4b69acd2d945403a8178ff219484ea2686ed3f66130f9fe7cd6fa","source":{"kind":"arxiv","id":"1710.04440","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.04440","created_at":"2026-05-18T00:28:41Z"},{"alias_kind":"arxiv_version","alias_value":"1710.04440v1","created_at":"2026-05-18T00:28:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.04440","created_at":"2026-05-18T00:28:41Z"},{"alias_kind":"pith_short_12","alias_value":"B54WFHYL2S3J","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"B54WFHYL2S3JVTJN","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"B54WFHYL","created_at":"2026-05-18T12:31:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:B54WFHYL2S3JVTJNSRKAHKAXR7","target":"record","payload":{"canonical_record":{"source":{"id":"1710.04440","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-10-12T10:49:04Z","cross_cats_sorted":[],"title_canon_sha256":"f05cb42b6c34b2449f487a53231ee80dbcbfae202b8683be7881603f2c9c3aa6","abstract_canon_sha256":"88e44989842dea4c83791ab64199c7894099535e212eaf284deb5996d80c52f0"},"schema_version":"1.0"},"canonical_sha256":"0f79629f0bd4b69acd2d945403a8178ff219484ea2686ed3f66130f9fe7cd6fa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:41.968607Z","signature_b64":"oAtlLLAvzB4Loe8VhTmF0Zj68pn27Ftlec7Ywr5ePYAHjg/IEWd13+0rM6msVZPDZOazI2ucW/X/86TUurOiDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0f79629f0bd4b69acd2d945403a8178ff219484ea2686ed3f66130f9fe7cd6fa","last_reissued_at":"2026-05-18T00:28:41.967842Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:41.967842Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.04440","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:28:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rIHQsu6eBLj22D0FVxHm2gpifRiTPXjgQwzRFdvjLdjytfMkX95jV5n1372kfLzfglZYb5W/Y8kM7Dlk3LCjAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T02:40:31.140626Z"},"content_sha256":"19d7aee0d229bc7f04f5917caf03eae93215ba9da984bd0b8561742454eb135d","schema_version":"1.0","event_id":"sha256:19d7aee0d229bc7f04f5917caf03eae93215ba9da984bd0b8561742454eb135d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:B54WFHYL2S3JVTJNSRKAHKAXR7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic monolayer Li$_{2}$N: Density Functional Theory Calculations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Altaf Ur Rahman, Gul Rahman, P. Kratzer, Saima Kanwal","submitted_at":"2017-10-12T10:49:04Z","abstract_excerpt":"Density functional theory (DFT) calculations are used to investigate the electronic and magnetic structures of a two-dimensional (2D) monolayer Li$_{2}$N. It is shown that bulk Li$_{3}$N is a non-magnetic semiconductor. The non-spinpolarized DFT calculations show that $p$ electrons of N in 2D Li$_{2}$N form a narrow band at the Fermi energy $E_{\\rm{F}}$ due to a low coordination number, and the density of states at the Fermi energy ($g(E_{\\rm{F}}$)) is increased as compared with bulk Li$_{3}$N. The large $g(E_{\\rm{F}}$) shows instability towards magnetism in Stoner's mean field model. The spin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.04440","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:28:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EWpY0/bl6ZyLcLu1mx+p8eyqvuRssex6tjdfS4esTp2QVYtB+oJghQ5t2x3EYMNtJZbBDbs+uYMTUb6WBljAAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T02:40:31.141094Z"},"content_sha256":"d28efff9edf919d4b55f107b198df18aa5e8b698ef834c1be2dcfa6e4a0006a9","schema_version":"1.0","event_id":"sha256:d28efff9edf919d4b55f107b198df18aa5e8b698ef834c1be2dcfa6e4a0006a9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B54WFHYL2S3JVTJNSRKAHKAXR7/bundle.json","state_url":"https://pith.science/pith/B54WFHYL2S3JVTJNSRKAHKAXR7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B54WFHYL2S3JVTJNSRKAHKAXR7/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-23T02:40:31Z","links":{"resolver":"https://pith.science/pith/B54WFHYL2S3JVTJNSRKAHKAXR7","bundle":"https://pith.science/pith/B54WFHYL2S3JVTJNSRKAHKAXR7/bundle.json","state":"https://pith.science/pith/B54WFHYL2S3JVTJNSRKAHKAXR7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B54WFHYL2S3JVTJNSRKAHKAXR7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:B54WFHYL2S3JVTJNSRKAHKAXR7","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"88e44989842dea4c83791ab64199c7894099535e212eaf284deb5996d80c52f0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-10-12T10:49:04Z","title_canon_sha256":"f05cb42b6c34b2449f487a53231ee80dbcbfae202b8683be7881603f2c9c3aa6"},"schema_version":"1.0","source":{"id":"1710.04440","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.04440","created_at":"2026-05-18T00:28:41Z"},{"alias_kind":"arxiv_version","alias_value":"1710.04440v1","created_at":"2026-05-18T00:28:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.04440","created_at":"2026-05-18T00:28:41Z"},{"alias_kind":"pith_short_12","alias_value":"B54WFHYL2S3J","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"B54WFHYL2S3JVTJN","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"B54WFHYL","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:d28efff9edf919d4b55f107b198df18aa5e8b698ef834c1be2dcfa6e4a0006a9","target":"graph","created_at":"2026-05-18T00:28:41Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Density functional theory (DFT) calculations are used to investigate the electronic and magnetic structures of a two-dimensional (2D) monolayer Li$_{2}$N. It is shown that bulk Li$_{3}$N is a non-magnetic semiconductor. The non-spinpolarized DFT calculations show that $p$ electrons of N in 2D Li$_{2}$N form a narrow band at the Fermi energy $E_{\\rm{F}}$ due to a low coordination number, and the density of states at the Fermi energy ($g(E_{\\rm{F}}$)) is increased as compared with bulk Li$_{3}$N. The large $g(E_{\\rm{F}}$) shows instability towards magnetism in Stoner's mean field model. The spin","authors_text":"Altaf Ur Rahman, Gul Rahman, P. Kratzer, Saima Kanwal","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-10-12T10:49:04Z","title":"Magnetic monolayer Li$_{2}$N: Density Functional Theory Calculations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.04440","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:19d7aee0d229bc7f04f5917caf03eae93215ba9da984bd0b8561742454eb135d","target":"record","created_at":"2026-05-18T00:28:41Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"88e44989842dea4c83791ab64199c7894099535e212eaf284deb5996d80c52f0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-10-12T10:49:04Z","title_canon_sha256":"f05cb42b6c34b2449f487a53231ee80dbcbfae202b8683be7881603f2c9c3aa6"},"schema_version":"1.0","source":{"id":"1710.04440","kind":"arxiv","version":1}},"canonical_sha256":"0f79629f0bd4b69acd2d945403a8178ff219484ea2686ed3f66130f9fe7cd6fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0f79629f0bd4b69acd2d945403a8178ff219484ea2686ed3f66130f9fe7cd6fa","first_computed_at":"2026-05-18T00:28:41.967842Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:41.967842Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oAtlLLAvzB4Loe8VhTmF0Zj68pn27Ftlec7Ywr5ePYAHjg/IEWd13+0rM6msVZPDZOazI2ucW/X/86TUurOiDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:41.968607Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.04440","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:19d7aee0d229bc7f04f5917caf03eae93215ba9da984bd0b8561742454eb135d","sha256:d28efff9edf919d4b55f107b198df18aa5e8b698ef834c1be2dcfa6e4a0006a9"],"state_sha256":"641e93e0dc7a3a089e78130f632d299cb66006f15698187b212ee46260adc9f2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E5MO67Q18wT6BgYu0odZN51zXPTHOT6Yr5zAnZ1hLNSjPPu8u4GFdX2A03QgcDXirhFAKMALvgSR7DBXkjYLCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T02:40:31.143644Z","bundle_sha256":"f5410b6d2ca4bb86ff818dda013ed83df913159fece0412e2cbd17f388298b10"}}