{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:7GXF7KQW7XXLHBUDQUXPMYPSNH","short_pith_number":"pith:7GXF7KQW","canonical_record":{"source":{"id":"1510.01007","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-10-05T00:47:31Z","cross_cats_sorted":[],"title_canon_sha256":"def7cc756c9ecd054dd8a45b52f353b506b880354edce5eaa40dce839346277e","abstract_canon_sha256":"afc799b99bf79a2228b685a5d72678c55094013f8b334e8fde80618a7c613f8a"},"schema_version":"1.0"},"canonical_sha256":"f9ae5faa16fdeeb38683852ef661f269e06a424d5e2ce8426408efbd4be36fe6","source":{"kind":"arxiv","id":"1510.01007","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.01007","created_at":"2026-05-18T01:12:40Z"},{"alias_kind":"arxiv_version","alias_value":"1510.01007v2","created_at":"2026-05-18T01:12:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.01007","created_at":"2026-05-18T01:12:40Z"},{"alias_kind":"pith_short_12","alias_value":"7GXF7KQW7XXL","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"7GXF7KQW7XXLHBUD","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"7GXF7KQW","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:7GXF7KQW7XXLHBUDQUXPMYPSNH","target":"record","payload":{"canonical_record":{"source":{"id":"1510.01007","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-10-05T00:47:31Z","cross_cats_sorted":[],"title_canon_sha256":"def7cc756c9ecd054dd8a45b52f353b506b880354edce5eaa40dce839346277e","abstract_canon_sha256":"afc799b99bf79a2228b685a5d72678c55094013f8b334e8fde80618a7c613f8a"},"schema_version":"1.0"},"canonical_sha256":"f9ae5faa16fdeeb38683852ef661f269e06a424d5e2ce8426408efbd4be36fe6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:40.484125Z","signature_b64":"4HmF3sPeHdbSPQl85TV1Ayqsx1ToXFetpKt4i8LlwupeSTPbsLW5BJzuVCx+a1a+1ozf0BTykI4xKBiLuS/LCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f9ae5faa16fdeeb38683852ef661f269e06a424d5e2ce8426408efbd4be36fe6","last_reissued_at":"2026-05-18T01:12:40.483677Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:40.483677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.01007","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":"2026-05-18T01:12:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MhLmg63na0Nk0CZO+CPfY9i32WhYSGoFE26Jicjriv4Pd8IkM5qbAgVltd22PgwWOYfg3FxnTmEGbfLCucS0Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T18:26:47.007942Z"},"content_sha256":"537c7a45e4a5b92d1c3386430ad0fc5b61a2c66737f597c61437c5568d460b5d","schema_version":"1.0","event_id":"sha256:537c7a45e4a5b92d1c3386430ad0fc5b61a2c66737f597c61437c5568d460b5d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:7GXF7KQW7XXLHBUDQUXPMYPSNH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A spin liquid with pinch-line singularities on the pyrochlore lattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Han Yan, Ludovic D. C. Jaubert, Nic Shannon, Owen Benton","submitted_at":"2015-10-05T00:47:31Z","abstract_excerpt":"The mathematics of gauge theories lies behind many of the most profound advances in physics in the last 200 years, from Maxwell's theory of electromagnetism to Einstein's theory of general relativity. More recently it has become clear that gauge theories also emerge in condensed matter, a prime example being the spin ice materials which host an emergent electromagnetic gauge field. In spin ice, the underlying gauge structure is revealed by the presence of pinch-point singularities in neutron-scattering measurements. Here we report the discovery of a spin liquid where the low-temperature physic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.01007","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":"2026-05-18T01:12:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vyD1otEZq0REUlnjuMZND2FYGtghwbrV1XXOyqfgJcFVKoj1G5YFEY+5s2qU6vWiviU9WvmBWbs5NeuEdbwVBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T18:26:47.008272Z"},"content_sha256":"cd2bc45463cdbb90693c34e6f25a1232ccb3ed6a14497faf79797a3c4cb0e907","schema_version":"1.0","event_id":"sha256:cd2bc45463cdbb90693c34e6f25a1232ccb3ed6a14497faf79797a3c4cb0e907"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7GXF7KQW7XXLHBUDQUXPMYPSNH/bundle.json","state_url":"https://pith.science/pith/7GXF7KQW7XXLHBUDQUXPMYPSNH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7GXF7KQW7XXLHBUDQUXPMYPSNH/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":"2026-06-24T18:26:47Z","links":{"resolver":"https://pith.science/pith/7GXF7KQW7XXLHBUDQUXPMYPSNH","bundle":"https://pith.science/pith/7GXF7KQW7XXLHBUDQUXPMYPSNH/bundle.json","state":"https://pith.science/pith/7GXF7KQW7XXLHBUDQUXPMYPSNH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7GXF7KQW7XXLHBUDQUXPMYPSNH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:7GXF7KQW7XXLHBUDQUXPMYPSNH","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":"afc799b99bf79a2228b685a5d72678c55094013f8b334e8fde80618a7c613f8a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-10-05T00:47:31Z","title_canon_sha256":"def7cc756c9ecd054dd8a45b52f353b506b880354edce5eaa40dce839346277e"},"schema_version":"1.0","source":{"id":"1510.01007","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.01007","created_at":"2026-05-18T01:12:40Z"},{"alias_kind":"arxiv_version","alias_value":"1510.01007v2","created_at":"2026-05-18T01:12:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.01007","created_at":"2026-05-18T01:12:40Z"},{"alias_kind":"pith_short_12","alias_value":"7GXF7KQW7XXL","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"7GXF7KQW7XXLHBUD","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"7GXF7KQW","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:cd2bc45463cdbb90693c34e6f25a1232ccb3ed6a14497faf79797a3c4cb0e907","target":"graph","created_at":"2026-05-18T01:12:40Z","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":"The mathematics of gauge theories lies behind many of the most profound advances in physics in the last 200 years, from Maxwell's theory of electromagnetism to Einstein's theory of general relativity. More recently it has become clear that gauge theories also emerge in condensed matter, a prime example being the spin ice materials which host an emergent electromagnetic gauge field. In spin ice, the underlying gauge structure is revealed by the presence of pinch-point singularities in neutron-scattering measurements. Here we report the discovery of a spin liquid where the low-temperature physic","authors_text":"Han Yan, Ludovic D. C. Jaubert, Nic Shannon, Owen Benton","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-10-05T00:47:31Z","title":"A spin liquid with pinch-line singularities on the pyrochlore lattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.01007","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":"sha256:537c7a45e4a5b92d1c3386430ad0fc5b61a2c66737f597c61437c5568d460b5d","target":"record","created_at":"2026-05-18T01:12:40Z","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":"afc799b99bf79a2228b685a5d72678c55094013f8b334e8fde80618a7c613f8a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-10-05T00:47:31Z","title_canon_sha256":"def7cc756c9ecd054dd8a45b52f353b506b880354edce5eaa40dce839346277e"},"schema_version":"1.0","source":{"id":"1510.01007","kind":"arxiv","version":2}},"canonical_sha256":"f9ae5faa16fdeeb38683852ef661f269e06a424d5e2ce8426408efbd4be36fe6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f9ae5faa16fdeeb38683852ef661f269e06a424d5e2ce8426408efbd4be36fe6","first_computed_at":"2026-05-18T01:12:40.483677Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:40.483677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4HmF3sPeHdbSPQl85TV1Ayqsx1ToXFetpKt4i8LlwupeSTPbsLW5BJzuVCx+a1a+1ozf0BTykI4xKBiLuS/LCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:40.484125Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.01007","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:537c7a45e4a5b92d1c3386430ad0fc5b61a2c66737f597c61437c5568d460b5d","sha256:cd2bc45463cdbb90693c34e6f25a1232ccb3ed6a14497faf79797a3c4cb0e907"],"state_sha256":"a8e09810695507b716894e19b3b365c0f0f0430bb974f652dec395d836fa157b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RzYaj/PHvmMsjTwOIamY4hu/fnQh8WfqHJ/z2WJOgtnqhkmb5I6tH2gywV2mI2Urv5z1Ax1CylyYYgvSnuQFBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T18:26:47.010226Z","bundle_sha256":"3682d92e5057881acb75a2f44b3b59fc05317393c667999612174f251d019cd9"}}