{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:SRQFZUWIPPEY6P57VXWORNJVAQ","short_pith_number":"pith:SRQFZUWI","canonical_record":{"source":{"id":"1512.02284","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-12-07T23:18:26Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"9595d864dcc19cf78490450c55f49fb6c2e113af77075d51f9c5594a92af6903","abstract_canon_sha256":"43b9f6fa4293e297984ea80c905205b74858c9d79ee5e72eb5b5bee548ae89c7"},"schema_version":"1.0"},"canonical_sha256":"94605cd2c87bc98f3fbfadece8b53504133ac122418b277670579af68ff40312","source":{"kind":"arxiv","id":"1512.02284","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.02284","created_at":"2026-05-18T00:54:58Z"},{"alias_kind":"arxiv_version","alias_value":"1512.02284v2","created_at":"2026-05-18T00:54:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.02284","created_at":"2026-05-18T00:54:58Z"},{"alias_kind":"pith_short_12","alias_value":"SRQFZUWIPPEY","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"SRQFZUWIPPEY6P57","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"SRQFZUWI","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:SRQFZUWIPPEY6P57VXWORNJVAQ","target":"record","payload":{"canonical_record":{"source":{"id":"1512.02284","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-12-07T23:18:26Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"9595d864dcc19cf78490450c55f49fb6c2e113af77075d51f9c5594a92af6903","abstract_canon_sha256":"43b9f6fa4293e297984ea80c905205b74858c9d79ee5e72eb5b5bee548ae89c7"},"schema_version":"1.0"},"canonical_sha256":"94605cd2c87bc98f3fbfadece8b53504133ac122418b277670579af68ff40312","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:54:58.193753Z","signature_b64":"J/qnqwyO6DlwOj+N5NdNWExDC4KWrIsVQdpFzkHZralSE4C5EhoPLkxdYEqUHOKr/ZaSZXt7zZFKiWmHIBs4CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"94605cd2c87bc98f3fbfadece8b53504133ac122418b277670579af68ff40312","last_reissued_at":"2026-05-18T00:54:58.193081Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:54:58.193081Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.02284","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":"2026-05-18T00:54:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U8eGHPQ9Ex74ys9FIhgmghnpO6aYO8bR0+UIrz3slsZQbgSiaWQ3bmKfRMJ1iNK6Jt+ovGXh9KmR0n00c6xeBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:34:20.113716Z"},"content_sha256":"1aa4fa7865bd8859845af20ffff446a3a5e52bdf8af5a6e979c246e0c81c824e","schema_version":"1.0","event_id":"sha256:1aa4fa7865bd8859845af20ffff446a3a5e52bdf8af5a6e979c246e0c81c824e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:SRQFZUWIPPEY6P57VXWORNJVAQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Partial chiral symmetry-breaking as a route to spectrally isolated topological defect states in two-dimensional artificial materials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"physics.optics","authors_text":"Charles Poli, Fabrice Mortessagne, Henning Schomerus, Matthieu Bellec, Ulrich Kuhl","submitted_at":"2015-12-07T23:18:26Z","abstract_excerpt":"Bipartite quantum systems from the chiral universality classes admit topologically protected zero modes at point defects. However, in two-dimensional systems these states can be difficult to separate from compacton-like localized states that arise from flat bands, formed if the two sublattices support a different number of sites within a unit cell. Here we identify a natural reduction of chiral symmetry, obtained by coupling sites on the majority sublattice, which gives rise to spectrally isolated point-defect states, topologically characterized as zero modes supported by the complementary min"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.02284","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":"2026-05-18T00:54:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"80M5nidg27vqDcRW1Ogxu4WFJYTMx2Z0JxtM+sJ1HBT2ETszl9QZeFbAPKcXcFEogV6JkNAjr40A9FSxM9cDCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:34:20.114121Z"},"content_sha256":"c3f8c35cedd77f25cc5385b0536301911c2872c23b41cb95e11c4b9fcee60055","schema_version":"1.0","event_id":"sha256:c3f8c35cedd77f25cc5385b0536301911c2872c23b41cb95e11c4b9fcee60055"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SRQFZUWIPPEY6P57VXWORNJVAQ/bundle.json","state_url":"https://pith.science/pith/SRQFZUWIPPEY6P57VXWORNJVAQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SRQFZUWIPPEY6P57VXWORNJVAQ/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":"2026-05-26T22:34:20Z","links":{"resolver":"https://pith.science/pith/SRQFZUWIPPEY6P57VXWORNJVAQ","bundle":"https://pith.science/pith/SRQFZUWIPPEY6P57VXWORNJVAQ/bundle.json","state":"https://pith.science/pith/SRQFZUWIPPEY6P57VXWORNJVAQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SRQFZUWIPPEY6P57VXWORNJVAQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:SRQFZUWIPPEY6P57VXWORNJVAQ","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":"43b9f6fa4293e297984ea80c905205b74858c9d79ee5e72eb5b5bee548ae89c7","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-12-07T23:18:26Z","title_canon_sha256":"9595d864dcc19cf78490450c55f49fb6c2e113af77075d51f9c5594a92af6903"},"schema_version":"1.0","source":{"id":"1512.02284","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.02284","created_at":"2026-05-18T00:54:58Z"},{"alias_kind":"arxiv_version","alias_value":"1512.02284v2","created_at":"2026-05-18T00:54:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.02284","created_at":"2026-05-18T00:54:58Z"},{"alias_kind":"pith_short_12","alias_value":"SRQFZUWIPPEY","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"SRQFZUWIPPEY6P57","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"SRQFZUWI","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:c3f8c35cedd77f25cc5385b0536301911c2872c23b41cb95e11c4b9fcee60055","target":"graph","created_at":"2026-05-18T00:54:58Z","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":"Bipartite quantum systems from the chiral universality classes admit topologically protected zero modes at point defects. However, in two-dimensional systems these states can be difficult to separate from compacton-like localized states that arise from flat bands, formed if the two sublattices support a different number of sites within a unit cell. Here we identify a natural reduction of chiral symmetry, obtained by coupling sites on the majority sublattice, which gives rise to spectrally isolated point-defect states, topologically characterized as zero modes supported by the complementary min","authors_text":"Charles Poli, Fabrice Mortessagne, Henning Schomerus, Matthieu Bellec, Ulrich Kuhl","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-12-07T23:18:26Z","title":"Partial chiral symmetry-breaking as a route to spectrally isolated topological defect states in two-dimensional artificial materials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.02284","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":"sha256:1aa4fa7865bd8859845af20ffff446a3a5e52bdf8af5a6e979c246e0c81c824e","target":"record","created_at":"2026-05-18T00:54:58Z","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":"43b9f6fa4293e297984ea80c905205b74858c9d79ee5e72eb5b5bee548ae89c7","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-12-07T23:18:26Z","title_canon_sha256":"9595d864dcc19cf78490450c55f49fb6c2e113af77075d51f9c5594a92af6903"},"schema_version":"1.0","source":{"id":"1512.02284","kind":"arxiv","version":2}},"canonical_sha256":"94605cd2c87bc98f3fbfadece8b53504133ac122418b277670579af68ff40312","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"94605cd2c87bc98f3fbfadece8b53504133ac122418b277670579af68ff40312","first_computed_at":"2026-05-18T00:54:58.193081Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:54:58.193081Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J/qnqwyO6DlwOj+N5NdNWExDC4KWrIsVQdpFzkHZralSE4C5EhoPLkxdYEqUHOKr/ZaSZXt7zZFKiWmHIBs4CA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:54:58.193753Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.02284","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1aa4fa7865bd8859845af20ffff446a3a5e52bdf8af5a6e979c246e0c81c824e","sha256:c3f8c35cedd77f25cc5385b0536301911c2872c23b41cb95e11c4b9fcee60055"],"state_sha256":"9e6d7e4d7e04193d72e7976eaf7a58aade15c93515a61f86273d2bc359b40c52"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oyq5mrOKKLGQoQ3SpDsLHURXIhQlGkfFTHjvK6/puk6kurrCmWpFjZPxYPGC3giNDLfSBR+CVrSmR4Z3QQYRAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T22:34:20.117163Z","bundle_sha256":"fc9af0e1cd5f16aee47631aa44966d8eedefb7872934953395e1b83131690051"}}