{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:3FCOD6FM3H3OXLJP5QMVTXP7D7","short_pith_number":"pith:3FCOD6FM","canonical_record":{"source":{"id":"1902.02790","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-07T19:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"e43558a4afa44e3321f6baaa3fa3e585931ed816c19c8f6ae24673f6ea8d096c","abstract_canon_sha256":"8306c2a9dac723752881fe1d9968a8972b05809a082092c9388beeeebfb51602"},"schema_version":"1.0"},"canonical_sha256":"d944e1f8acd9f6ebad2fec1959ddff1fef5bfdf8830ed126e2059f91f494c55e","source":{"kind":"arxiv","id":"1902.02790","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.02790","created_at":"2026-05-17T23:54:31Z"},{"alias_kind":"arxiv_version","alias_value":"1902.02790v1","created_at":"2026-05-17T23:54:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.02790","created_at":"2026-05-17T23:54:31Z"},{"alias_kind":"pith_short_12","alias_value":"3FCOD6FM3H3O","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"3FCOD6FM3H3OXLJP","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"3FCOD6FM","created_at":"2026-05-18T12:33:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:3FCOD6FM3H3OXLJP5QMVTXP7D7","target":"record","payload":{"canonical_record":{"source":{"id":"1902.02790","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-07T19:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"e43558a4afa44e3321f6baaa3fa3e585931ed816c19c8f6ae24673f6ea8d096c","abstract_canon_sha256":"8306c2a9dac723752881fe1d9968a8972b05809a082092c9388beeeebfb51602"},"schema_version":"1.0"},"canonical_sha256":"d944e1f8acd9f6ebad2fec1959ddff1fef5bfdf8830ed126e2059f91f494c55e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:31.241182Z","signature_b64":"5RmynSxJdQxHClajQasdhyCKZRl585jgChn4PSkV5gzGBKfQcKd9dIvi9mVSNkuvF+t5GSLNGsWVhDRw+gEmCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d944e1f8acd9f6ebad2fec1959ddff1fef5bfdf8830ed126e2059f91f494c55e","last_reissued_at":"2026-05-17T23:54:31.240657Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:31.240657Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.02790","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":"2026-05-17T23:54:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KZnTheCjlStYPcsPz7cgKpEjeghm0CbegiVZSmeRm2TCy2i2cvOX1v6XPgLTO9JpNmE7rYQfu1rLORIInoZiBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T07:56:23.220871Z"},"content_sha256":"128b04cf1dadb86e84d7bf387f5fe9b38d262d1e0b366481cc85bc9651af1879","schema_version":"1.0","event_id":"sha256:128b04cf1dadb86e84d7bf387f5fe9b38d262d1e0b366481cc85bc9651af1879"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:3FCOD6FM3H3OXLJP5QMVTXP7D7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interacting multi-channel topological boundary modes in a quantum Hall valley system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Ali Yazdani, Benjamin E. Feldman, Hao Ding, Huiwen Ji, Kartiek Agarwal, Mallika T. Randeria, R. J. Cava, Siddharth A. Parameswaran, S. L. Sondhi","submitted_at":"2019-02-07T19:00:02Z","abstract_excerpt":"Symmetry and topology play key roles in the identification of phases of matter and their properties. Both concepts are central to understanding quantum Hall ferromagnets (QHFMs), two-dimensional electronic phases with spontaneously broken spin or pseudospin symmetry whose wavefunctions also have topological properties. Domain walls between distinct broken symmetry QHFM phases are predicted to host gapless one-dimensional (1D) modes that emerge due to a topological change of the underlying electronic wavefunctions at such interfaces. Although a variety of QHFMs have been identified in different"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.02790","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":"2026-05-17T23:54:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YXF/1/7zPaGG6GMIF8LeitQru7eeb0fx1bb32CG1eJzS+lpaV2UF7hmb0BtzNINpeJ5PJF+/AfjWAubaF/DqBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T07:56:23.221557Z"},"content_sha256":"ba007d05170e02dac0b532c00437a847796e4e222e7b934c6fcc38e178f8a26f","schema_version":"1.0","event_id":"sha256:ba007d05170e02dac0b532c00437a847796e4e222e7b934c6fcc38e178f8a26f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3FCOD6FM3H3OXLJP5QMVTXP7D7/bundle.json","state_url":"https://pith.science/pith/3FCOD6FM3H3OXLJP5QMVTXP7D7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3FCOD6FM3H3OXLJP5QMVTXP7D7/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":"2026-06-07T07:56:23Z","links":{"resolver":"https://pith.science/pith/3FCOD6FM3H3OXLJP5QMVTXP7D7","bundle":"https://pith.science/pith/3FCOD6FM3H3OXLJP5QMVTXP7D7/bundle.json","state":"https://pith.science/pith/3FCOD6FM3H3OXLJP5QMVTXP7D7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3FCOD6FM3H3OXLJP5QMVTXP7D7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:3FCOD6FM3H3OXLJP5QMVTXP7D7","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":"8306c2a9dac723752881fe1d9968a8972b05809a082092c9388beeeebfb51602","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-07T19:00:02Z","title_canon_sha256":"e43558a4afa44e3321f6baaa3fa3e585931ed816c19c8f6ae24673f6ea8d096c"},"schema_version":"1.0","source":{"id":"1902.02790","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.02790","created_at":"2026-05-17T23:54:31Z"},{"alias_kind":"arxiv_version","alias_value":"1902.02790v1","created_at":"2026-05-17T23:54:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.02790","created_at":"2026-05-17T23:54:31Z"},{"alias_kind":"pith_short_12","alias_value":"3FCOD6FM3H3O","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"3FCOD6FM3H3OXLJP","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"3FCOD6FM","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:ba007d05170e02dac0b532c00437a847796e4e222e7b934c6fcc38e178f8a26f","target":"graph","created_at":"2026-05-17T23:54:31Z","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 and topology play key roles in the identification of phases of matter and their properties. Both concepts are central to understanding quantum Hall ferromagnets (QHFMs), two-dimensional electronic phases with spontaneously broken spin or pseudospin symmetry whose wavefunctions also have topological properties. Domain walls between distinct broken symmetry QHFM phases are predicted to host gapless one-dimensional (1D) modes that emerge due to a topological change of the underlying electronic wavefunctions at such interfaces. Although a variety of QHFMs have been identified in different","authors_text":"Ali Yazdani, Benjamin E. Feldman, Hao Ding, Huiwen Ji, Kartiek Agarwal, Mallika T. Randeria, R. J. Cava, Siddharth A. Parameswaran, S. L. Sondhi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-07T19:00:02Z","title":"Interacting multi-channel topological boundary modes in a quantum Hall valley system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.02790","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":"sha256:128b04cf1dadb86e84d7bf387f5fe9b38d262d1e0b366481cc85bc9651af1879","target":"record","created_at":"2026-05-17T23:54:31Z","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":"8306c2a9dac723752881fe1d9968a8972b05809a082092c9388beeeebfb51602","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-07T19:00:02Z","title_canon_sha256":"e43558a4afa44e3321f6baaa3fa3e585931ed816c19c8f6ae24673f6ea8d096c"},"schema_version":"1.0","source":{"id":"1902.02790","kind":"arxiv","version":1}},"canonical_sha256":"d944e1f8acd9f6ebad2fec1959ddff1fef5bfdf8830ed126e2059f91f494c55e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d944e1f8acd9f6ebad2fec1959ddff1fef5bfdf8830ed126e2059f91f494c55e","first_computed_at":"2026-05-17T23:54:31.240657Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:54:31.240657Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5RmynSxJdQxHClajQasdhyCKZRl585jgChn4PSkV5gzGBKfQcKd9dIvi9mVSNkuvF+t5GSLNGsWVhDRw+gEmCA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:54:31.241182Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.02790","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:128b04cf1dadb86e84d7bf387f5fe9b38d262d1e0b366481cc85bc9651af1879","sha256:ba007d05170e02dac0b532c00437a847796e4e222e7b934c6fcc38e178f8a26f"],"state_sha256":"758990ef4944c593d9d86bb08aadc8a67c12c330fed59ca20fc875e5b03853ba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mm75ffUPhGzSmR/+7zqrdnTlr4S8f4LGE3cd5RNO1ibdcsjMLUau6WQecGXIMCmSrOsSPCqTry81wUD1x93xDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T07:56:23.225599Z","bundle_sha256":"159569712f2312e891e88b9daf09ecaf1ae50cc5c2a4dd286b18c2f0e4dc29cb"}}