{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:S7FWMOG2SYE25RHDK3SBTHQBXH","short_pith_number":"pith:S7FWMOG2","canonical_record":{"source":{"id":"1410.0451","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-10-02T05:06:32Z","cross_cats_sorted":[],"title_canon_sha256":"2f5bb92b07bfee1024dcd011f1c154294e3de479fc31a29f43b7a63dec7d36af","abstract_canon_sha256":"cb5836bbf551d5a0c6c96c6d89327eb594d7b7b3ea8a2f16822e0cbd3b920adc"},"schema_version":"1.0"},"canonical_sha256":"97cb6638da9609aec4e356e4199e01b9f6abce6d8c72691f174f4ddd82c02b6e","source":{"kind":"arxiv","id":"1410.0451","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.0451","created_at":"2026-05-18T01:33:07Z"},{"alias_kind":"arxiv_version","alias_value":"1410.0451v2","created_at":"2026-05-18T01:33:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.0451","created_at":"2026-05-18T01:33:07Z"},{"alias_kind":"pith_short_12","alias_value":"S7FWMOG2SYE2","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"S7FWMOG2SYE25RHD","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"S7FWMOG2","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:S7FWMOG2SYE25RHDK3SBTHQBXH","target":"record","payload":{"canonical_record":{"source":{"id":"1410.0451","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-10-02T05:06:32Z","cross_cats_sorted":[],"title_canon_sha256":"2f5bb92b07bfee1024dcd011f1c154294e3de479fc31a29f43b7a63dec7d36af","abstract_canon_sha256":"cb5836bbf551d5a0c6c96c6d89327eb594d7b7b3ea8a2f16822e0cbd3b920adc"},"schema_version":"1.0"},"canonical_sha256":"97cb6638da9609aec4e356e4199e01b9f6abce6d8c72691f174f4ddd82c02b6e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:07.783375Z","signature_b64":"xBCwdBaWPonkNS9lhZGMTI4fljJCG9gaOwD05iF7wOKIAdl2EJZeaUU04BKcNCCTXQzXBoLOEIjWQWXt1DpiCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97cb6638da9609aec4e356e4199e01b9f6abce6d8c72691f174f4ddd82c02b6e","last_reissued_at":"2026-05-18T01:33:07.782968Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:07.782968Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.0451","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":"2026-05-18T01:33:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V+KMdzmL7h0DtEvOYr65Twm9K+vzO3i6fdOQOOYF+v3WYXvosqXksppYfol7t5YAfhiEA42NE1WlUExpMZ09Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T09:54:34.626295Z"},"content_sha256":"d3b92ed1e802cd10b2db55dce9c016b27b52d6dbd91289014e95f74a90a03011","schema_version":"1.0","event_id":"sha256:d3b92ed1e802cd10b2db55dce9c016b27b52d6dbd91289014e95f74a90a03011"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:S7FWMOG2SYE25RHDK3SBTHQBXH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Of chain-based order and quantum spin liquids in dipolar spin ice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Frank Pollmann, Karlo Penc, Nic Shannon, Olga Sikora, Paul McClarty, Roderich Moessner","submitted_at":"2014-10-02T05:06:32Z","abstract_excerpt":"Recent experiments on the spin-ice material Dy2Ti2O7 suggest that the Pauling \"ice entropy\", characteristic of its classical Coulombic spin-liquid state, may be lost at low temperatures [D. Pomaranski et al., Nature Phys. 9, 353 (2013)]. However, despite nearly two decades of intensive study, the nature of the equilibrium ground state of spin ice remains uncertain. Here we explore how long-range dipolar interactions D, short-range exchange interactions, and quantum fluctuations combine to determine the ground state of dipolar spin ice. We identify a new organisational principle, namely that or"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.0451","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":"2026-05-18T01:33:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RBbuacq76phg2H1+DPHz5UEj4Tau2aijksjvL/fs2tLC2q0aB01Dg/ym2Z6X/9ksvQ1uW1UF4I6vigk+9dS/Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T09:54:34.626957Z"},"content_sha256":"c3230c43240e31c864ad82e0a01f3834120b6e7161d08a73229817cc33127354","schema_version":"1.0","event_id":"sha256:c3230c43240e31c864ad82e0a01f3834120b6e7161d08a73229817cc33127354"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S7FWMOG2SYE25RHDK3SBTHQBXH/bundle.json","state_url":"https://pith.science/pith/S7FWMOG2SYE25RHDK3SBTHQBXH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S7FWMOG2SYE25RHDK3SBTHQBXH/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":"2026-05-30T09:54:34Z","links":{"resolver":"https://pith.science/pith/S7FWMOG2SYE25RHDK3SBTHQBXH","bundle":"https://pith.science/pith/S7FWMOG2SYE25RHDK3SBTHQBXH/bundle.json","state":"https://pith.science/pith/S7FWMOG2SYE25RHDK3SBTHQBXH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S7FWMOG2SYE25RHDK3SBTHQBXH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:S7FWMOG2SYE25RHDK3SBTHQBXH","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":"cb5836bbf551d5a0c6c96c6d89327eb594d7b7b3ea8a2f16822e0cbd3b920adc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-10-02T05:06:32Z","title_canon_sha256":"2f5bb92b07bfee1024dcd011f1c154294e3de479fc31a29f43b7a63dec7d36af"},"schema_version":"1.0","source":{"id":"1410.0451","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.0451","created_at":"2026-05-18T01:33:07Z"},{"alias_kind":"arxiv_version","alias_value":"1410.0451v2","created_at":"2026-05-18T01:33:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.0451","created_at":"2026-05-18T01:33:07Z"},{"alias_kind":"pith_short_12","alias_value":"S7FWMOG2SYE2","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"S7FWMOG2SYE25RHD","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"S7FWMOG2","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:c3230c43240e31c864ad82e0a01f3834120b6e7161d08a73229817cc33127354","target":"graph","created_at":"2026-05-18T01:33:07Z","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":"Recent experiments on the spin-ice material Dy2Ti2O7 suggest that the Pauling \"ice entropy\", characteristic of its classical Coulombic spin-liquid state, may be lost at low temperatures [D. Pomaranski et al., Nature Phys. 9, 353 (2013)]. However, despite nearly two decades of intensive study, the nature of the equilibrium ground state of spin ice remains uncertain. Here we explore how long-range dipolar interactions D, short-range exchange interactions, and quantum fluctuations combine to determine the ground state of dipolar spin ice. We identify a new organisational principle, namely that or","authors_text":"Frank Pollmann, Karlo Penc, Nic Shannon, Olga Sikora, Paul McClarty, Roderich Moessner","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-10-02T05:06:32Z","title":"Of chain-based order and quantum spin liquids in dipolar spin ice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.0451","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:d3b92ed1e802cd10b2db55dce9c016b27b52d6dbd91289014e95f74a90a03011","target":"record","created_at":"2026-05-18T01:33:07Z","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":"cb5836bbf551d5a0c6c96c6d89327eb594d7b7b3ea8a2f16822e0cbd3b920adc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-10-02T05:06:32Z","title_canon_sha256":"2f5bb92b07bfee1024dcd011f1c154294e3de479fc31a29f43b7a63dec7d36af"},"schema_version":"1.0","source":{"id":"1410.0451","kind":"arxiv","version":2}},"canonical_sha256":"97cb6638da9609aec4e356e4199e01b9f6abce6d8c72691f174f4ddd82c02b6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"97cb6638da9609aec4e356e4199e01b9f6abce6d8c72691f174f4ddd82c02b6e","first_computed_at":"2026-05-18T01:33:07.782968Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:33:07.782968Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xBCwdBaWPonkNS9lhZGMTI4fljJCG9gaOwD05iF7wOKIAdl2EJZeaUU04BKcNCCTXQzXBoLOEIjWQWXt1DpiCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:33:07.783375Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.0451","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d3b92ed1e802cd10b2db55dce9c016b27b52d6dbd91289014e95f74a90a03011","sha256:c3230c43240e31c864ad82e0a01f3834120b6e7161d08a73229817cc33127354"],"state_sha256":"cbc678421665e4c0f0d3530e0bbd084bc8f3967256a0da3b0d8b3f38e9eaf17a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CZ2ct44i6iKdD2TADADf5I2YZl5e9h377qyBD/Q9As+O5kpsdRuSLjb+6tEloGQtGeQk2WIFTExRRQlw5n6sDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T09:54:34.630452Z","bundle_sha256":"1861579069a42c0957135d734a7f00a67e257a97d9405c832979134e23480836"}}