{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:QERSTWKGYQWG7GA6QG3XO5OVVN","short_pith_number":"pith:QERSTWKG","canonical_record":{"source":{"id":"0809.0283","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-09-01T19:42:57Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"d5779f98db6b3462e426c893b150c5ff689731371f50183429a105eaac4f2ecc","abstract_canon_sha256":"d7651d51740f68c8e330ed9006be3e75b89cf27366c631b53c89712801143a6f"},"schema_version":"1.0"},"canonical_sha256":"812329d946c42c6f981e81b77775d5ab431c5fc21d54961c182d98b01605d81c","source":{"kind":"arxiv","id":"0809.0283","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.0283","created_at":"2026-05-18T02:24:57Z"},{"alias_kind":"arxiv_version","alias_value":"0809.0283v2","created_at":"2026-05-18T02:24:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.0283","created_at":"2026-05-18T02:24:57Z"},{"alias_kind":"pith_short_12","alias_value":"QERSTWKGYQWG","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"QERSTWKGYQWG7GA6","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"QERSTWKG","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:QERSTWKGYQWG7GA6QG3XO5OVVN","target":"record","payload":{"canonical_record":{"source":{"id":"0809.0283","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-09-01T19:42:57Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"d5779f98db6b3462e426c893b150c5ff689731371f50183429a105eaac4f2ecc","abstract_canon_sha256":"d7651d51740f68c8e330ed9006be3e75b89cf27366c631b53c89712801143a6f"},"schema_version":"1.0"},"canonical_sha256":"812329d946c42c6f981e81b77775d5ab431c5fc21d54961c182d98b01605d81c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:24:57.046102Z","signature_b64":"B0q24H/t9RHxY9Ibvc+m9nlM6oZfZPSuOe5rwvwjOqfEViBFyPsaqyO4+zRtuLFHFFGLVJHYkBzjJz4AeV/sCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"812329d946c42c6f981e81b77775d5ab431c5fc21d54961c182d98b01605d81c","last_reissued_at":"2026-05-18T02:24:57.045299Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:24:57.045299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0809.0283","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:24:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HAY/ggT2cl/IopUmI+td1Hbnu2hcg6EocrfL8VJrNTTa8O+M8OPelm37URPU2rqjlohlXl9DqshKEtnDDc4LCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:23:35.068916Z"},"content_sha256":"1b29c1793aa3f6e0ca3f8bed910e334a0d6651ef5b09b53b721eca247fe365f1","schema_version":"1.0","event_id":"sha256:1b29c1793aa3f6e0ca3f8bed910e334a0d6651ef5b09b53b721eca247fe365f1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:QERSTWKGYQWG7GA6QG3XO5OVVN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Competition between antiferromagnetic instability and frustrations in Fe-Se","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"J.J.Pulikkotil, L. Ke, M. van Schilfgaarde, T. Kotani, V.P.Antropov","submitted_at":"2008-09-01T19:42:57Z","abstract_excerpt":"Using linear-response density-functional theory, we obtain the magnetic interactions in the several iron pnictides. The ground state has been found to be non-collinear in FeSe, with a large continuum of nearly degenerate states lying very close to the magnetic \"striped\" structure. The presence of non-collinearity also seems to be a generic feature of iron pnictides when the Fe moment is small. At small R_{Fe-Se} the system is itinerant: strong frustration give rise to excess of spin entropy, long ranged interactions create incommensurate orderings and strong biquadratic (or ring) couplings vio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.0283","kind":"arxiv","version":2},"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":"2026-05-18T02:24:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xHZSzCa4qqIrFhAS4eobFnamhc+t0oZlAey+uWyW7twpUv57P9d2Kkaw+Txmr8bRZHIjlC/8+QxX/x4uAOUoAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:23:35.069573Z"},"content_sha256":"1fc4ee880e5fb21ad8454c5bfa9599f4f2e4b7bc41105575327ea3744ad7f450","schema_version":"1.0","event_id":"sha256:1fc4ee880e5fb21ad8454c5bfa9599f4f2e4b7bc41105575327ea3744ad7f450"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QERSTWKGYQWG7GA6QG3XO5OVVN/bundle.json","state_url":"https://pith.science/pith/QERSTWKGYQWG7GA6QG3XO5OVVN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QERSTWKGYQWG7GA6QG3XO5OVVN/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":"2026-05-31T01:23:35Z","links":{"resolver":"https://pith.science/pith/QERSTWKGYQWG7GA6QG3XO5OVVN","bundle":"https://pith.science/pith/QERSTWKGYQWG7GA6QG3XO5OVVN/bundle.json","state":"https://pith.science/pith/QERSTWKGYQWG7GA6QG3XO5OVVN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QERSTWKGYQWG7GA6QG3XO5OVVN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:QERSTWKGYQWG7GA6QG3XO5OVVN","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":"d7651d51740f68c8e330ed9006be3e75b89cf27366c631b53c89712801143a6f","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-09-01T19:42:57Z","title_canon_sha256":"d5779f98db6b3462e426c893b150c5ff689731371f50183429a105eaac4f2ecc"},"schema_version":"1.0","source":{"id":"0809.0283","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.0283","created_at":"2026-05-18T02:24:57Z"},{"alias_kind":"arxiv_version","alias_value":"0809.0283v2","created_at":"2026-05-18T02:24:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.0283","created_at":"2026-05-18T02:24:57Z"},{"alias_kind":"pith_short_12","alias_value":"QERSTWKGYQWG","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"QERSTWKGYQWG7GA6","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"QERSTWKG","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:1fc4ee880e5fb21ad8454c5bfa9599f4f2e4b7bc41105575327ea3744ad7f450","target":"graph","created_at":"2026-05-18T02:24:57Z","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":"Using linear-response density-functional theory, we obtain the magnetic interactions in the several iron pnictides. The ground state has been found to be non-collinear in FeSe, with a large continuum of nearly degenerate states lying very close to the magnetic \"striped\" structure. The presence of non-collinearity also seems to be a generic feature of iron pnictides when the Fe moment is small. At small R_{Fe-Se} the system is itinerant: strong frustration give rise to excess of spin entropy, long ranged interactions create incommensurate orderings and strong biquadratic (or ring) couplings vio","authors_text":"J.J.Pulikkotil, L. Ke, M. van Schilfgaarde, T. Kotani, V.P.Antropov","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-09-01T19:42:57Z","title":"Competition between antiferromagnetic instability and frustrations in Fe-Se"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.0283","kind":"arxiv","version":2},"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":"sha256:1b29c1793aa3f6e0ca3f8bed910e334a0d6651ef5b09b53b721eca247fe365f1","target":"record","created_at":"2026-05-18T02:24:57Z","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":"d7651d51740f68c8e330ed9006be3e75b89cf27366c631b53c89712801143a6f","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-09-01T19:42:57Z","title_canon_sha256":"d5779f98db6b3462e426c893b150c5ff689731371f50183429a105eaac4f2ecc"},"schema_version":"1.0","source":{"id":"0809.0283","kind":"arxiv","version":2}},"canonical_sha256":"812329d946c42c6f981e81b77775d5ab431c5fc21d54961c182d98b01605d81c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"812329d946c42c6f981e81b77775d5ab431c5fc21d54961c182d98b01605d81c","first_computed_at":"2026-05-18T02:24:57.045299Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:24:57.045299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"B0q24H/t9RHxY9Ibvc+m9nlM6oZfZPSuOe5rwvwjOqfEViBFyPsaqyO4+zRtuLFHFFGLVJHYkBzjJz4AeV/sCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:24:57.046102Z","signed_message":"canonical_sha256_bytes"},"source_id":"0809.0283","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b29c1793aa3f6e0ca3f8bed910e334a0d6651ef5b09b53b721eca247fe365f1","sha256:1fc4ee880e5fb21ad8454c5bfa9599f4f2e4b7bc41105575327ea3744ad7f450"],"state_sha256":"8fe9b819888d600cb7d93b59706426475cf114fa0384c331ac742e8f255d9af1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nkO81lSFM5LJbIVysQfzKIcFulRkVsXOVrKrnQF4ikIaduOYouGPlf8RZzd7lhPK6mTG7vZKf8McDPOXoByvCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T01:23:35.073023Z","bundle_sha256":"a34e8a91a2cb921a80d27a5a8e8ada7ef2899e6d322922b3390ccbb2430ad7be"}}