{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:2IFO7KOWJD74NB6AYJBEDDTMH5","short_pith_number":"pith:2IFO7KOW","canonical_record":{"source":{"id":"1702.03493","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-12T06:16:04Z","cross_cats_sorted":[],"title_canon_sha256":"905ab9841a782664d7f9e0f55117ce3823ebdbb920a02b3ad1c21da432a385eb","abstract_canon_sha256":"1fabcc019ff749a6b72f8c2cd1e379214477d03311f6c8b454e04a1b8eb569c0"},"schema_version":"1.0"},"canonical_sha256":"d20aefa9d648ffc687c0c242418e6c3f72e2a95def0fb70c6055ea91cc4f1da0","source":{"kind":"arxiv","id":"1702.03493","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.03493","created_at":"2026-05-18T00:47:33Z"},{"alias_kind":"arxiv_version","alias_value":"1702.03493v1","created_at":"2026-05-18T00:47:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.03493","created_at":"2026-05-18T00:47:33Z"},{"alias_kind":"pith_short_12","alias_value":"2IFO7KOWJD74","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"2IFO7KOWJD74NB6A","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"2IFO7KOW","created_at":"2026-05-18T12:30:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:2IFO7KOWJD74NB6AYJBEDDTMH5","target":"record","payload":{"canonical_record":{"source":{"id":"1702.03493","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-12T06:16:04Z","cross_cats_sorted":[],"title_canon_sha256":"905ab9841a782664d7f9e0f55117ce3823ebdbb920a02b3ad1c21da432a385eb","abstract_canon_sha256":"1fabcc019ff749a6b72f8c2cd1e379214477d03311f6c8b454e04a1b8eb569c0"},"schema_version":"1.0"},"canonical_sha256":"d20aefa9d648ffc687c0c242418e6c3f72e2a95def0fb70c6055ea91cc4f1da0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:47:33.323229Z","signature_b64":"G4Mrbb+WniYJd489OHHgMOZQevB09EUC3PIed1oKRx/bB/tBn8jy07spM2dgvpHJX9aph3Pd9Xt5rh9D2vFfAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d20aefa9d648ffc687c0c242418e6c3f72e2a95def0fb70c6055ea91cc4f1da0","last_reissued_at":"2026-05-18T00:47:33.322659Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:47:33.322659Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.03493","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":"2026-05-18T00:47:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nRtzYY2DfhWS3Y/oSliW6qPcdRbUr/T1Ju730sHmo+m5KuIJlG9eAkmFRD5ZEvTbWjhPNy1hztZ1bYolSH4pCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:42:09.152073Z"},"content_sha256":"3d077e9a3770fbca54bd6f019dd5998947ef6b1e34c69139eee152ed4841c970","schema_version":"1.0","event_id":"sha256:3d077e9a3770fbca54bd6f019dd5998947ef6b1e34c69139eee152ed4841c970"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:2IFO7KOWJD74NB6AYJBEDDTMH5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Centrality measure based on continuous-time quantum walks and experimental realization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"ian Li, Jingbo B. Wang, Josh A. Izaac, Kunkun Wang, Peng Xue, Xiang Zhan, Zhihao Bian","submitted_at":"2017-02-12T06:16:04Z","abstract_excerpt":"Network centrality has important implications well beyond its role in physical and information transport analysis; as such, various quantum walk-based algorithms have been proposed for measuring network vertex centrality. In this work, we propose a continuous-time quantum walk algorithm for determining vertex centrality, and show that it generalizes to arbitrary graphs via a statistical analysis of randomly generated scale-free and Erd\\H{o}s-R\\'enyi networks. As a proof of concept, the algorithm is detailed on a 4-vertex star graph and physically implemented via linear optics, using spatial an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.03493","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":"2026-05-18T00:47:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D7WfFutuVPq6U4HLTVkymB+/34tSk/J0WnmXoGwolkW8Wx98H701SCnePfTqQPNip2zsYBuCRsGT98isv+96Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:42:09.152750Z"},"content_sha256":"03837693241dac35a444c064f4f1fcbfa1794d63db1e42be46a1d55a0c1d09b1","schema_version":"1.0","event_id":"sha256:03837693241dac35a444c064f4f1fcbfa1794d63db1e42be46a1d55a0c1d09b1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2IFO7KOWJD74NB6AYJBEDDTMH5/bundle.json","state_url":"https://pith.science/pith/2IFO7KOWJD74NB6AYJBEDDTMH5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2IFO7KOWJD74NB6AYJBEDDTMH5/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":"2026-05-26T23:42:09Z","links":{"resolver":"https://pith.science/pith/2IFO7KOWJD74NB6AYJBEDDTMH5","bundle":"https://pith.science/pith/2IFO7KOWJD74NB6AYJBEDDTMH5/bundle.json","state":"https://pith.science/pith/2IFO7KOWJD74NB6AYJBEDDTMH5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2IFO7KOWJD74NB6AYJBEDDTMH5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:2IFO7KOWJD74NB6AYJBEDDTMH5","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":"1fabcc019ff749a6b72f8c2cd1e379214477d03311f6c8b454e04a1b8eb569c0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-12T06:16:04Z","title_canon_sha256":"905ab9841a782664d7f9e0f55117ce3823ebdbb920a02b3ad1c21da432a385eb"},"schema_version":"1.0","source":{"id":"1702.03493","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.03493","created_at":"2026-05-18T00:47:33Z"},{"alias_kind":"arxiv_version","alias_value":"1702.03493v1","created_at":"2026-05-18T00:47:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.03493","created_at":"2026-05-18T00:47:33Z"},{"alias_kind":"pith_short_12","alias_value":"2IFO7KOWJD74","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"2IFO7KOWJD74NB6A","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"2IFO7KOW","created_at":"2026-05-18T12:30:55Z"}],"graph_snapshots":[{"event_id":"sha256:03837693241dac35a444c064f4f1fcbfa1794d63db1e42be46a1d55a0c1d09b1","target":"graph","created_at":"2026-05-18T00:47:33Z","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":"Network centrality has important implications well beyond its role in physical and information transport analysis; as such, various quantum walk-based algorithms have been proposed for measuring network vertex centrality. In this work, we propose a continuous-time quantum walk algorithm for determining vertex centrality, and show that it generalizes to arbitrary graphs via a statistical analysis of randomly generated scale-free and Erd\\H{o}s-R\\'enyi networks. As a proof of concept, the algorithm is detailed on a 4-vertex star graph and physically implemented via linear optics, using spatial an","authors_text":"ian Li, Jingbo B. Wang, Josh A. Izaac, Kunkun Wang, Peng Xue, Xiang Zhan, Zhihao Bian","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-12T06:16:04Z","title":"Centrality measure based on continuous-time quantum walks and experimental realization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.03493","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":"sha256:3d077e9a3770fbca54bd6f019dd5998947ef6b1e34c69139eee152ed4841c970","target":"record","created_at":"2026-05-18T00:47:33Z","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":"1fabcc019ff749a6b72f8c2cd1e379214477d03311f6c8b454e04a1b8eb569c0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-12T06:16:04Z","title_canon_sha256":"905ab9841a782664d7f9e0f55117ce3823ebdbb920a02b3ad1c21da432a385eb"},"schema_version":"1.0","source":{"id":"1702.03493","kind":"arxiv","version":1}},"canonical_sha256":"d20aefa9d648ffc687c0c242418e6c3f72e2a95def0fb70c6055ea91cc4f1da0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d20aefa9d648ffc687c0c242418e6c3f72e2a95def0fb70c6055ea91cc4f1da0","first_computed_at":"2026-05-18T00:47:33.322659Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:47:33.322659Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G4Mrbb+WniYJd489OHHgMOZQevB09EUC3PIed1oKRx/bB/tBn8jy07spM2dgvpHJX9aph3Pd9Xt5rh9D2vFfAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:47:33.323229Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.03493","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3d077e9a3770fbca54bd6f019dd5998947ef6b1e34c69139eee152ed4841c970","sha256:03837693241dac35a444c064f4f1fcbfa1794d63db1e42be46a1d55a0c1d09b1"],"state_sha256":"3d395618faafe64a7200b4a1fc88f888b5d547bf9465a444af730b3cf177abdf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kgy0k8N4rainJsjSmk4Msnm2MMtnWElBUghXskVTqR2RrxsJRCeRy9GJ39n+OYQnu+Zta1WCT+GtkRpZeu7cDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T23:42:09.155529Z","bundle_sha256":"ad7b7074cdca5133e7554b7908399e991f8934fe182aae07065af16409475ca9"}}