{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:XOIDXCAZD5WUHVEKKT5ZPCFQT2","short_pith_number":"pith:XOIDXCAZ","canonical_record":{"source":{"id":"2012.08734","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2020-12-16T04:13:26Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"94c18ad62fa2bb5754de6b02195106a37d5fd165963058dc162bada63799b80f","abstract_canon_sha256":"bff39db045b2d945d4ac59f220f6671f179531884ff1ad29e1bddf425245b37f"},"schema_version":"1.0"},"canonical_sha256":"bb903b88191f6d43d48a54fb9788b09ea7ecf7ca845c1fb565e579f4e1b83eb5","source":{"kind":"arxiv","id":"2012.08734","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.08734","created_at":"2026-07-05T02:26:53Z"},{"alias_kind":"arxiv_version","alias_value":"2012.08734v2","created_at":"2026-07-05T02:26:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.08734","created_at":"2026-07-05T02:26:53Z"},{"alias_kind":"pith_short_12","alias_value":"XOIDXCAZD5WU","created_at":"2026-07-05T02:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"XOIDXCAZD5WUHVEK","created_at":"2026-07-05T02:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"XOIDXCAZ","created_at":"2026-07-05T02:26:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:XOIDXCAZD5WUHVEKKT5ZPCFQT2","target":"record","payload":{"canonical_record":{"source":{"id":"2012.08734","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2020-12-16T04:13:26Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"94c18ad62fa2bb5754de6b02195106a37d5fd165963058dc162bada63799b80f","abstract_canon_sha256":"bff39db045b2d945d4ac59f220f6671f179531884ff1ad29e1bddf425245b37f"},"schema_version":"1.0"},"canonical_sha256":"bb903b88191f6d43d48a54fb9788b09ea7ecf7ca845c1fb565e579f4e1b83eb5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:26:53.464849Z","signature_b64":"1qt2Yizx1+KYbXGDUEYkex8qfbf85YPkGqr23jGoAbDDO0Qp4kUL13hXzJG7C/O9cL33/CpStcCueNTMMQBqDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb903b88191f6d43d48a54fb9788b09ea7ecf7ca845c1fb565e579f4e1b83eb5","last_reissued_at":"2026-07-05T02:26:53.464412Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:26:53.464412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.08734","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":"2026-07-05T02:26:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mBlUs9X5w5zFTYFC7kiDMyhmCuM5zptQyTrcTBamPnPrEME0BiE5iBPyq373ayXKy7I3Mm3LAJ020eS/t2Y9Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T15:56:27.691159Z"},"content_sha256":"0c335ce45ddd0532acde3bd2bf96946f91e71f65fbbf93169bb24b8c1bd44c07","schema_version":"1.0","event_id":"sha256:0c335ce45ddd0532acde3bd2bf96946f91e71f65fbbf93169bb24b8c1bd44c07"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:XOIDXCAZD5WUHVEKKT5ZPCFQT2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hierarchical Graph Capsule Network","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SI"],"primary_cat":"cs.LG","authors_text":"Chaochao Yan, Chunyuan Li, Hehuan Ma, Jinyu Yang, Junzhou Huang, Peilin Zhao, Yu Rong","submitted_at":"2020-12-16T04:13:26Z","abstract_excerpt":"Graph Neural Networks (GNNs) draw their strength from explicitly modeling the topological information of structured data. However, existing GNNs suffer from limited capability in capturing the hierarchical graph representation which plays an important role in graph classification. In this paper, we innovatively propose hierarchical graph capsule network (HGCN) that can jointly learn node embeddings and extract graph hierarchies. Specifically, disentangled graph capsules are established by identifying heterogeneous factors underlying each node, such that their instantiation parameters represent"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.08734","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2012.08734/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:26:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A6Ofszgo4LTZu0MPQKo+Tb7oxzYJC9FSm6b8GKp8l9BgFhkdFuxaqCI/h3P5gjBjPS8QW21W9j9tgNgzQxvoBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T15:56:27.692217Z"},"content_sha256":"24ab901090acda9b1e980ecfce93c8b1750d1772fefd2b75eb5bd2229651abb8","schema_version":"1.0","event_id":"sha256:24ab901090acda9b1e980ecfce93c8b1750d1772fefd2b75eb5bd2229651abb8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XOIDXCAZD5WUHVEKKT5ZPCFQT2/bundle.json","state_url":"https://pith.science/pith/XOIDXCAZD5WUHVEKKT5ZPCFQT2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XOIDXCAZD5WUHVEKKT5ZPCFQT2/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":"2026-08-11T15:56:27Z","links":{"resolver":"https://pith.science/pith/XOIDXCAZD5WUHVEKKT5ZPCFQT2","bundle":"https://pith.science/pith/XOIDXCAZD5WUHVEKKT5ZPCFQT2/bundle.json","state":"https://pith.science/pith/XOIDXCAZD5WUHVEKKT5ZPCFQT2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XOIDXCAZD5WUHVEKKT5ZPCFQT2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:XOIDXCAZD5WUHVEKKT5ZPCFQT2","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":"bff39db045b2d945d4ac59f220f6671f179531884ff1ad29e1bddf425245b37f","cross_cats_sorted":["cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2020-12-16T04:13:26Z","title_canon_sha256":"94c18ad62fa2bb5754de6b02195106a37d5fd165963058dc162bada63799b80f"},"schema_version":"1.0","source":{"id":"2012.08734","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.08734","created_at":"2026-07-05T02:26:53Z"},{"alias_kind":"arxiv_version","alias_value":"2012.08734v2","created_at":"2026-07-05T02:26:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.08734","created_at":"2026-07-05T02:26:53Z"},{"alias_kind":"pith_short_12","alias_value":"XOIDXCAZD5WU","created_at":"2026-07-05T02:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"XOIDXCAZD5WUHVEK","created_at":"2026-07-05T02:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"XOIDXCAZ","created_at":"2026-07-05T02:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:24ab901090acda9b1e980ecfce93c8b1750d1772fefd2b75eb5bd2229651abb8","target":"graph","created_at":"2026-07-05T02:26:53Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2012.08734/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Graph Neural Networks (GNNs) draw their strength from explicitly modeling the topological information of structured data. However, existing GNNs suffer from limited capability in capturing the hierarchical graph representation which plays an important role in graph classification. In this paper, we innovatively propose hierarchical graph capsule network (HGCN) that can jointly learn node embeddings and extract graph hierarchies. Specifically, disentangled graph capsules are established by identifying heterogeneous factors underlying each node, such that their instantiation parameters represent","authors_text":"Chaochao Yan, Chunyuan Li, Hehuan Ma, Jinyu Yang, Junzhou Huang, Peilin Zhao, Yu Rong","cross_cats":["cs.SI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2020-12-16T04:13:26Z","title":"Hierarchical Graph Capsule Network"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.08734","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":"sha256:0c335ce45ddd0532acde3bd2bf96946f91e71f65fbbf93169bb24b8c1bd44c07","target":"record","created_at":"2026-07-05T02:26:53Z","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":"bff39db045b2d945d4ac59f220f6671f179531884ff1ad29e1bddf425245b37f","cross_cats_sorted":["cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2020-12-16T04:13:26Z","title_canon_sha256":"94c18ad62fa2bb5754de6b02195106a37d5fd165963058dc162bada63799b80f"},"schema_version":"1.0","source":{"id":"2012.08734","kind":"arxiv","version":2}},"canonical_sha256":"bb903b88191f6d43d48a54fb9788b09ea7ecf7ca845c1fb565e579f4e1b83eb5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb903b88191f6d43d48a54fb9788b09ea7ecf7ca845c1fb565e579f4e1b83eb5","first_computed_at":"2026-07-05T02:26:53.464412Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:26:53.464412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1qt2Yizx1+KYbXGDUEYkex8qfbf85YPkGqr23jGoAbDDO0Qp4kUL13hXzJG7C/O9cL33/CpStcCueNTMMQBqDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:26:53.464849Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.08734","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0c335ce45ddd0532acde3bd2bf96946f91e71f65fbbf93169bb24b8c1bd44c07","sha256:24ab901090acda9b1e980ecfce93c8b1750d1772fefd2b75eb5bd2229651abb8"],"state_sha256":"bbbc31b95d4266f8794b132ee49e77f6444283cd7ddf336e7c9a2c5380d8ba90"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X/BSbw7ypshusFZoxBc53+RxNtmOGw+Hhr4uw7bKFSJmJi4YI80QLyOqxsvi7uB/ygv9hkcSH8ewmHXxKfowBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T15:56:27.698656Z","bundle_sha256":"85da96b367ae6192ed8195efc5df02b50e76b97710096c886a8a612f34a437b2"}}