{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:JXEDRNJ6EBENBZUB7D2SPSBKAI","short_pith_number":"pith:JXEDRNJ6","canonical_record":{"source":{"id":"1505.05751","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-05-21T14:30:06Z","cross_cats_sorted":["cond-mat.dis-nn"],"title_canon_sha256":"fc6ba8cc4c7c644afe4679fc728ae8d5c678ba81070eb7d812cff1dcde35d6c7","abstract_canon_sha256":"729b79401e62195177b767e39de3da8d317fa5ae0c19187bbe379d319bbe1f37"},"schema_version":"1.0"},"canonical_sha256":"4dc838b53e2048d0e681f8f527c82a021f630067daf39249bb75794586af704f","source":{"kind":"arxiv","id":"1505.05751","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.05751","created_at":"2026-05-18T01:35:59Z"},{"alias_kind":"arxiv_version","alias_value":"1505.05751v2","created_at":"2026-05-18T01:35:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.05751","created_at":"2026-05-18T01:35:59Z"},{"alias_kind":"pith_short_12","alias_value":"JXEDRNJ6EBEN","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JXEDRNJ6EBENBZUB","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JXEDRNJ6","created_at":"2026-05-18T12:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:JXEDRNJ6EBENBZUB7D2SPSBKAI","target":"record","payload":{"canonical_record":{"source":{"id":"1505.05751","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-05-21T14:30:06Z","cross_cats_sorted":["cond-mat.dis-nn"],"title_canon_sha256":"fc6ba8cc4c7c644afe4679fc728ae8d5c678ba81070eb7d812cff1dcde35d6c7","abstract_canon_sha256":"729b79401e62195177b767e39de3da8d317fa5ae0c19187bbe379d319bbe1f37"},"schema_version":"1.0"},"canonical_sha256":"4dc838b53e2048d0e681f8f527c82a021f630067daf39249bb75794586af704f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:59.608521Z","signature_b64":"6q3z/8/SjSSqZYHvw7i+KtsCNtzlId545BNz8C9TUY+/20yr1gi23jRUAlEjdNKRYJohlNbyyehZAKnOamnHBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4dc838b53e2048d0e681f8f527c82a021f630067daf39249bb75794586af704f","last_reissued_at":"2026-05-18T01:35:59.607928Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:59.607928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.05751","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":"2026-05-18T01:35:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2dev5Jl1lXvjy1tzzXoWqXW2beyl9hFrvggouYf9tm9RIcotphuaQnIzjuBhhiFMD2KHfn54CNoq83+WDqCABg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T17:39:00.728072Z"},"content_sha256":"2a228f1b0f08add8948d319dd310260d9a68b6f1cdcb80147b882d334cec28b7","schema_version":"1.0","event_id":"sha256:2a228f1b0f08add8948d319dd310260d9a68b6f1cdcb80147b882d334cec28b7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:JXEDRNJ6EBENBZUB7D2SPSBKAI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Schwinger boson mean field perspective on emergent spins in diluted Heisenberg antiferromagnets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn"],"primary_cat":"cond-mat.str-el","authors_text":"Christopher L. Henley, Hitesh J. Changlani, Shivam Ghosh","submitted_at":"2015-05-21T14:30:06Z","abstract_excerpt":"Using an adaptation of Schwinger boson mean field theory (SBMFT) for nonuniform systems, we study the nature of low-energy spin excitations on the square and Bethe lattice at their percolation threshold. The optimal SBMFT parameters are interpreted as on-site potentials and pairing amplitudes, which enables an explanation of why emergent local moments develop in this system on dilution [L. Wang and A. W. Sandvik, Phys. Rev. Lett. 97, 117204 (2006); H.J. Changlani et al., ibid 111, 157201 (2013)] and why the corresponding single particle frequencies are driven to anomalously low values. We disc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.05751","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":"2026-05-18T01:35:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Az9MuRTTNIB2/bV3uB4yT4n0JvJdqX5fs4shKOe+5DT3x2oQ19oS4xPOD1qexSOCTE8lrgzauQjr3Gzy0Ng3Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T17:39:00.728555Z"},"content_sha256":"d1fb798a3b53760569a310b6ffb19b55128c1f297649aefbf20320676dcdd327","schema_version":"1.0","event_id":"sha256:d1fb798a3b53760569a310b6ffb19b55128c1f297649aefbf20320676dcdd327"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JXEDRNJ6EBENBZUB7D2SPSBKAI/bundle.json","state_url":"https://pith.science/pith/JXEDRNJ6EBENBZUB7D2SPSBKAI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JXEDRNJ6EBENBZUB7D2SPSBKAI/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":"2026-06-23T17:39:00Z","links":{"resolver":"https://pith.science/pith/JXEDRNJ6EBENBZUB7D2SPSBKAI","bundle":"https://pith.science/pith/JXEDRNJ6EBENBZUB7D2SPSBKAI/bundle.json","state":"https://pith.science/pith/JXEDRNJ6EBENBZUB7D2SPSBKAI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JXEDRNJ6EBENBZUB7D2SPSBKAI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:JXEDRNJ6EBENBZUB7D2SPSBKAI","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":"729b79401e62195177b767e39de3da8d317fa5ae0c19187bbe379d319bbe1f37","cross_cats_sorted":["cond-mat.dis-nn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-05-21T14:30:06Z","title_canon_sha256":"fc6ba8cc4c7c644afe4679fc728ae8d5c678ba81070eb7d812cff1dcde35d6c7"},"schema_version":"1.0","source":{"id":"1505.05751","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.05751","created_at":"2026-05-18T01:35:59Z"},{"alias_kind":"arxiv_version","alias_value":"1505.05751v2","created_at":"2026-05-18T01:35:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.05751","created_at":"2026-05-18T01:35:59Z"},{"alias_kind":"pith_short_12","alias_value":"JXEDRNJ6EBEN","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"JXEDRNJ6EBENBZUB","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"JXEDRNJ6","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:d1fb798a3b53760569a310b6ffb19b55128c1f297649aefbf20320676dcdd327","target":"graph","created_at":"2026-05-18T01:35:59Z","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 an adaptation of Schwinger boson mean field theory (SBMFT) for nonuniform systems, we study the nature of low-energy spin excitations on the square and Bethe lattice at their percolation threshold. The optimal SBMFT parameters are interpreted as on-site potentials and pairing amplitudes, which enables an explanation of why emergent local moments develop in this system on dilution [L. Wang and A. W. Sandvik, Phys. Rev. Lett. 97, 117204 (2006); H.J. Changlani et al., ibid 111, 157201 (2013)] and why the corresponding single particle frequencies are driven to anomalously low values. We disc","authors_text":"Christopher L. Henley, Hitesh J. Changlani, Shivam Ghosh","cross_cats":["cond-mat.dis-nn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-05-21T14:30:06Z","title":"Schwinger boson mean field perspective on emergent spins in diluted Heisenberg antiferromagnets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.05751","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":"sha256:2a228f1b0f08add8948d319dd310260d9a68b6f1cdcb80147b882d334cec28b7","target":"record","created_at":"2026-05-18T01:35:59Z","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":"729b79401e62195177b767e39de3da8d317fa5ae0c19187bbe379d319bbe1f37","cross_cats_sorted":["cond-mat.dis-nn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-05-21T14:30:06Z","title_canon_sha256":"fc6ba8cc4c7c644afe4679fc728ae8d5c678ba81070eb7d812cff1dcde35d6c7"},"schema_version":"1.0","source":{"id":"1505.05751","kind":"arxiv","version":2}},"canonical_sha256":"4dc838b53e2048d0e681f8f527c82a021f630067daf39249bb75794586af704f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4dc838b53e2048d0e681f8f527c82a021f630067daf39249bb75794586af704f","first_computed_at":"2026-05-18T01:35:59.607928Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:59.607928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6q3z/8/SjSSqZYHvw7i+KtsCNtzlId545BNz8C9TUY+/20yr1gi23jRUAlEjdNKRYJohlNbyyehZAKnOamnHBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:59.608521Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.05751","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2a228f1b0f08add8948d319dd310260d9a68b6f1cdcb80147b882d334cec28b7","sha256:d1fb798a3b53760569a310b6ffb19b55128c1f297649aefbf20320676dcdd327"],"state_sha256":"9445a31c83b71375fc370f0b974d37a7b75ae9a02b8554e71a44d20eb18885ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lt/6cIcqLY8DAq523KCWSOCj5mVgigiXzIJUlykg+guK+RHLLnB/tWxTFGhpQKhoBKYU3Hr77M5p7wD4lXdVBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T17:39:00.731146Z","bundle_sha256":"e8313b0b6add659b315a5f7bd3c83ef79dced1d3a2f575c1790c542e2a92cc87"}}