{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:C4UBBKZTRBC7CAGZMJ3IPPDN7N","short_pith_number":"pith:C4UBBKZT","canonical_record":{"source":{"id":"1607.02287","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-07-08T09:47:16Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"ee1e3fd6c771a469bcd7677f588e6434e2efb5edbf4c243d8c98edb1fef48968","abstract_canon_sha256":"5baeb28a6d939c23e64c02c7f07024175273c264914bd3008367eccdc355650e"},"schema_version":"1.0"},"canonical_sha256":"172810ab338845f100d9627687bc6dfb64028bccbb67cf40514e341fd2372df4","source":{"kind":"arxiv","id":"1607.02287","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.02287","created_at":"2026-05-18T00:52:16Z"},{"alias_kind":"arxiv_version","alias_value":"1607.02287v3","created_at":"2026-05-18T00:52:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.02287","created_at":"2026-05-18T00:52:16Z"},{"alias_kind":"pith_short_12","alias_value":"C4UBBKZTRBC7","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"C4UBBKZTRBC7CAGZ","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"C4UBBKZT","created_at":"2026-05-18T12:30:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:C4UBBKZTRBC7CAGZMJ3IPPDN7N","target":"record","payload":{"canonical_record":{"source":{"id":"1607.02287","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-07-08T09:47:16Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"ee1e3fd6c771a469bcd7677f588e6434e2efb5edbf4c243d8c98edb1fef48968","abstract_canon_sha256":"5baeb28a6d939c23e64c02c7f07024175273c264914bd3008367eccdc355650e"},"schema_version":"1.0"},"canonical_sha256":"172810ab338845f100d9627687bc6dfb64028bccbb67cf40514e341fd2372df4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:16.977230Z","signature_b64":"P5F7w1SGadBYFCFLe1bAYnHYbeVe7MqB5qNzgVq+Eb620Vvqr8Y5Bjhff42e0xV1U1udhUc1rdwXv4s8csi3Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"172810ab338845f100d9627687bc6dfb64028bccbb67cf40514e341fd2372df4","last_reissued_at":"2026-05-18T00:52:16.976824Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:16.976824Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.02287","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:52:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pQO/cnoHA9VQJzMGzczSIohBx90VFfdaz55q//64qOLOJ7lqfl3TX/Z/SXjTdAd5NsSPQHxJcyRSZ2YH0FqOBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T07:30:23.120219Z"},"content_sha256":"8cb7639b17c2bcdd10ce110d579a1cfe79453c489e4abe877f45ea52439bc99d","schema_version":"1.0","event_id":"sha256:8cb7639b17c2bcdd10ce110d579a1cfe79453c489e4abe877f45ea52439bc99d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:C4UBBKZTRBC7CAGZMJ3IPPDN7N","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Symmetry Enriched U(1) Topological Orders for Dipole-Octupole Doublets on a Pyrochlore Lattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"Gang Chen, Yao Dong Li","submitted_at":"2016-07-08T09:47:16Z","abstract_excerpt":"Symmetry plays a fundamental role in our understanding of both conventional symmetry breaking phases and the more exotic quantum and topological phases of matter. We explore the experimental signatures of symmetry enriched U(1) quantum spin liquids (QSLs) on the pyrochlore lattice. We point out that the Ce local moment of the newly discovered pyrochlore QSL candidate Ce$_2$Sn$_2$O$_7$, is a dipole-octupole doublet. The generic model for these unusual doublets supports two distinct symmetry enriched U(1) QSL ground states in the corresponding quantum spin ice regimes. These two U(1) QSLs are du"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.02287","kind":"arxiv","version":3},"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":"2026-05-18T00:52:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PG8gcjRVtIs6lFju91QyeS2rVcOwpFuqbk0PWHsnV/Tn6CtTOZrpXx/fg/MQ2JLUKa8hjSYf5rry4zFP4MOsDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T07:30:23.120585Z"},"content_sha256":"cee9fd580a2ae8a7ac8ccaf2170bfee79524ab40de395fb8131a32de0b9fa2e0","schema_version":"1.0","event_id":"sha256:cee9fd580a2ae8a7ac8ccaf2170bfee79524ab40de395fb8131a32de0b9fa2e0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C4UBBKZTRBC7CAGZMJ3IPPDN7N/bundle.json","state_url":"https://pith.science/pith/C4UBBKZTRBC7CAGZMJ3IPPDN7N/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C4UBBKZTRBC7CAGZMJ3IPPDN7N/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":"2026-07-05T07:30:23Z","links":{"resolver":"https://pith.science/pith/C4UBBKZTRBC7CAGZMJ3IPPDN7N","bundle":"https://pith.science/pith/C4UBBKZTRBC7CAGZMJ3IPPDN7N/bundle.json","state":"https://pith.science/pith/C4UBBKZTRBC7CAGZMJ3IPPDN7N/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C4UBBKZTRBC7CAGZMJ3IPPDN7N/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:C4UBBKZTRBC7CAGZMJ3IPPDN7N","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":"5baeb28a6d939c23e64c02c7f07024175273c264914bd3008367eccdc355650e","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-07-08T09:47:16Z","title_canon_sha256":"ee1e3fd6c771a469bcd7677f588e6434e2efb5edbf4c243d8c98edb1fef48968"},"schema_version":"1.0","source":{"id":"1607.02287","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.02287","created_at":"2026-05-18T00:52:16Z"},{"alias_kind":"arxiv_version","alias_value":"1607.02287v3","created_at":"2026-05-18T00:52:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.02287","created_at":"2026-05-18T00:52:16Z"},{"alias_kind":"pith_short_12","alias_value":"C4UBBKZTRBC7","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"C4UBBKZTRBC7CAGZ","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"C4UBBKZT","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:cee9fd580a2ae8a7ac8ccaf2170bfee79524ab40de395fb8131a32de0b9fa2e0","target":"graph","created_at":"2026-05-18T00:52:16Z","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":"Symmetry plays a fundamental role in our understanding of both conventional symmetry breaking phases and the more exotic quantum and topological phases of matter. We explore the experimental signatures of symmetry enriched U(1) quantum spin liquids (QSLs) on the pyrochlore lattice. We point out that the Ce local moment of the newly discovered pyrochlore QSL candidate Ce$_2$Sn$_2$O$_7$, is a dipole-octupole doublet. The generic model for these unusual doublets supports two distinct symmetry enriched U(1) QSL ground states in the corresponding quantum spin ice regimes. These two U(1) QSLs are du","authors_text":"Gang Chen, Yao Dong Li","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-07-08T09:47:16Z","title":"Symmetry Enriched U(1) Topological Orders for Dipole-Octupole Doublets on a Pyrochlore Lattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.02287","kind":"arxiv","version":3},"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":"sha256:8cb7639b17c2bcdd10ce110d579a1cfe79453c489e4abe877f45ea52439bc99d","target":"record","created_at":"2026-05-18T00:52:16Z","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":"5baeb28a6d939c23e64c02c7f07024175273c264914bd3008367eccdc355650e","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-07-08T09:47:16Z","title_canon_sha256":"ee1e3fd6c771a469bcd7677f588e6434e2efb5edbf4c243d8c98edb1fef48968"},"schema_version":"1.0","source":{"id":"1607.02287","kind":"arxiv","version":3}},"canonical_sha256":"172810ab338845f100d9627687bc6dfb64028bccbb67cf40514e341fd2372df4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"172810ab338845f100d9627687bc6dfb64028bccbb67cf40514e341fd2372df4","first_computed_at":"2026-05-18T00:52:16.976824Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:52:16.976824Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"P5F7w1SGadBYFCFLe1bAYnHYbeVe7MqB5qNzgVq+Eb620Vvqr8Y5Bjhff42e0xV1U1udhUc1rdwXv4s8csi3Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T00:52:16.977230Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.02287","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8cb7639b17c2bcdd10ce110d579a1cfe79453c489e4abe877f45ea52439bc99d","sha256:cee9fd580a2ae8a7ac8ccaf2170bfee79524ab40de395fb8131a32de0b9fa2e0"],"state_sha256":"687f3f89a613de894b13b76a3557af7bf2a35532f94e6cb040d04a3aa93f18b5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IU6bqS/IDfzTe3kJcVEB2LAH5+eBa+aWqpstCapsfPOJvzpic+TR/Rl3cGNRuSZA+l/URkYMK+YGTIzJghQDBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T07:30:23.122434Z","bundle_sha256":"c66a7fae8fb68171a3cd066969d1cc715b330672ab17a0b5ca093ba094e3333a"}}