{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:COXMQWIRABZBWHT4DASLGP7XNZ","short_pith_number":"pith:COXMQWIR","canonical_record":{"source":{"id":"1011.1174","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-11-04T14:40:17Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"c814465328644a8e65091e927a19da146398a7416c22e8144c527918815db682","abstract_canon_sha256":"41140db8d2fe09e33795a7da9bce40d11d14d780bb980e9ac13b3c672db4edb1"},"schema_version":"1.0"},"canonical_sha256":"13aec8591100721b1e7c1824b33ff76e5b84df121ae77936df82684793c090c2","source":{"kind":"arxiv","id":"1011.1174","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.1174","created_at":"2026-05-18T04:37:01Z"},{"alias_kind":"arxiv_version","alias_value":"1011.1174v1","created_at":"2026-05-18T04:37:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.1174","created_at":"2026-05-18T04:37:01Z"},{"alias_kind":"pith_short_12","alias_value":"COXMQWIRABZB","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"COXMQWIRABZBWHT4","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"COXMQWIR","created_at":"2026-05-18T12:26:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:COXMQWIRABZBWHT4DASLGP7XNZ","target":"record","payload":{"canonical_record":{"source":{"id":"1011.1174","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-11-04T14:40:17Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"c814465328644a8e65091e927a19da146398a7416c22e8144c527918815db682","abstract_canon_sha256":"41140db8d2fe09e33795a7da9bce40d11d14d780bb980e9ac13b3c672db4edb1"},"schema_version":"1.0"},"canonical_sha256":"13aec8591100721b1e7c1824b33ff76e5b84df121ae77936df82684793c090c2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:37:01.823008Z","signature_b64":"QVUN4a8VJ9stalx9/XnK1avVHi3+bTUGtjQ6pxnGrUI0b2nI6fHcQiV1q/d00ztwQypM52SR5EiEoTm0jrRBBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"13aec8591100721b1e7c1824b33ff76e5b84df121ae77936df82684793c090c2","last_reissued_at":"2026-05-18T04:37:01.822357Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:37:01.822357Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.1174","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":"2026-05-18T04:37:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lzS5caykBzKRTYpvEX8THazIS2G6hk/RQr6dHqZGJ8mbm1HQZZB349R+dl/2Wg+izNyMcozn72T7C7J4DUqTCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:51:58.441166Z"},"content_sha256":"6ef756cd14cc04640ff6de7e74ae9843bc7b5b209719b46634985598508ead8c","schema_version":"1.0","event_id":"sha256:6ef756cd14cc04640ff6de7e74ae9843bc7b5b209719b46634985598508ead8c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:COXMQWIRABZBWHT4DASLGP7XNZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dirac Strings and Magnetic Monopoles in Spin Ice Dy2Ti2O7","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"B. Klemke, C. Castelnovo, C. Czternasty, D.A. Tennant, D.J.P. Morris, D. Slobinsky, J.-U. Hoffmann, K.C. Rule, K. Kiefer, M. Meissner, R. Moessner, R.S. Perry, S.A. Grigera, S. Gerischer","submitted_at":"2010-11-04T14:40:17Z","abstract_excerpt":"While sources of magnetic fields - magnetic monopoles - have so far proven elusive as elementary particles, several scenarios have been proposed recently in condensed matter physics of emergent quasiparticles resembling monopoles. A particularly simple proposition pertains to spin ice on the highly frustrated pyrochlore lattice. The spin ice state is argued to be well-described by networks of aligned dipoles resembling solenoidal tubes - classical, and observable, versions of a Dirac string. Where these tubes end, the resulting defect looks like a magnetic monopole. We demonstrate, by diffuse "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.1174","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":"2026-05-18T04:37:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IOzRF865wwFcew0bZV2wMQhdFt1eptRE7RonfpKmZG0rN0HhH7gpmijLUcb24ElT/5gsYNT5lAUGVLDe0XLZBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:51:58.442055Z"},"content_sha256":"6a6d95ed8315901767d08532e2a3b4a318d5d1e14bb40b68d3d3ff4ef9281944","schema_version":"1.0","event_id":"sha256:6a6d95ed8315901767d08532e2a3b4a318d5d1e14bb40b68d3d3ff4ef9281944"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/COXMQWIRABZBWHT4DASLGP7XNZ/bundle.json","state_url":"https://pith.science/pith/COXMQWIRABZBWHT4DASLGP7XNZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/COXMQWIRABZBWHT4DASLGP7XNZ/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":"2026-05-25T19:51:58Z","links":{"resolver":"https://pith.science/pith/COXMQWIRABZBWHT4DASLGP7XNZ","bundle":"https://pith.science/pith/COXMQWIRABZBWHT4DASLGP7XNZ/bundle.json","state":"https://pith.science/pith/COXMQWIRABZBWHT4DASLGP7XNZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/COXMQWIRABZBWHT4DASLGP7XNZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:COXMQWIRABZBWHT4DASLGP7XNZ","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":"41140db8d2fe09e33795a7da9bce40d11d14d780bb980e9ac13b3c672db4edb1","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-11-04T14:40:17Z","title_canon_sha256":"c814465328644a8e65091e927a19da146398a7416c22e8144c527918815db682"},"schema_version":"1.0","source":{"id":"1011.1174","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.1174","created_at":"2026-05-18T04:37:01Z"},{"alias_kind":"arxiv_version","alias_value":"1011.1174v1","created_at":"2026-05-18T04:37:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.1174","created_at":"2026-05-18T04:37:01Z"},{"alias_kind":"pith_short_12","alias_value":"COXMQWIRABZB","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"COXMQWIRABZBWHT4","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"COXMQWIR","created_at":"2026-05-18T12:26:06Z"}],"graph_snapshots":[{"event_id":"sha256:6a6d95ed8315901767d08532e2a3b4a318d5d1e14bb40b68d3d3ff4ef9281944","target":"graph","created_at":"2026-05-18T04:37:01Z","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":"While sources of magnetic fields - magnetic monopoles - have so far proven elusive as elementary particles, several scenarios have been proposed recently in condensed matter physics of emergent quasiparticles resembling monopoles. A particularly simple proposition pertains to spin ice on the highly frustrated pyrochlore lattice. The spin ice state is argued to be well-described by networks of aligned dipoles resembling solenoidal tubes - classical, and observable, versions of a Dirac string. Where these tubes end, the resulting defect looks like a magnetic monopole. We demonstrate, by diffuse ","authors_text":"B. Klemke, C. Castelnovo, C. Czternasty, D.A. Tennant, D.J.P. Morris, D. Slobinsky, J.-U. Hoffmann, K.C. Rule, K. Kiefer, M. Meissner, R. Moessner, R.S. Perry, S.A. Grigera, S. Gerischer","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-11-04T14:40:17Z","title":"Dirac Strings and Magnetic Monopoles in Spin Ice Dy2Ti2O7"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.1174","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":"sha256:6ef756cd14cc04640ff6de7e74ae9843bc7b5b209719b46634985598508ead8c","target":"record","created_at":"2026-05-18T04:37:01Z","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":"41140db8d2fe09e33795a7da9bce40d11d14d780bb980e9ac13b3c672db4edb1","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-11-04T14:40:17Z","title_canon_sha256":"c814465328644a8e65091e927a19da146398a7416c22e8144c527918815db682"},"schema_version":"1.0","source":{"id":"1011.1174","kind":"arxiv","version":1}},"canonical_sha256":"13aec8591100721b1e7c1824b33ff76e5b84df121ae77936df82684793c090c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"13aec8591100721b1e7c1824b33ff76e5b84df121ae77936df82684793c090c2","first_computed_at":"2026-05-18T04:37:01.822357Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:37:01.822357Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QVUN4a8VJ9stalx9/XnK1avVHi3+bTUGtjQ6pxnGrUI0b2nI6fHcQiV1q/d00ztwQypM52SR5EiEoTm0jrRBBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:37:01.823008Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.1174","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6ef756cd14cc04640ff6de7e74ae9843bc7b5b209719b46634985598508ead8c","sha256:6a6d95ed8315901767d08532e2a3b4a318d5d1e14bb40b68d3d3ff4ef9281944"],"state_sha256":"1d34c67179e3767d5989940e70626190289dfc1d6490d2bc878df602fce9d074"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T0R19R+ePRF7wZkN2WSgV3SjtvNr/aG+fqhzJy0zrJjrgzq4t4F+bckerKQAPoN6A4H+aj06kgUA5Isi+rx7CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T19:51:58.445179Z","bundle_sha256":"06e6e293a109d5a53c0e4df51519550b833be56b721b727f8aa53d2952b53a7e"}}