{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:A4WS33UXVOQHAGAEQMQ625V5DW","short_pith_number":"pith:A4WS33UX","canonical_record":{"source":{"id":"1508.03559","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2015-08-14T16:15:59Z","cross_cats_sorted":["math.OC","physics.bio-ph","physics.soc-ph"],"title_canon_sha256":"e7b2ca62f6e3ef066451148bef6297bd081fc6b27fbb7637d490590c68bd5a51","abstract_canon_sha256":"2b0f0561857133497de4f9c43d892dad7b1b68c4988f10895730ffd10461cee0"},"schema_version":"1.0"},"canonical_sha256":"072d2dee97aba07018048321ed76bd1d95be06c17cb5fb4ac8766cf69aa4bd52","source":{"kind":"arxiv","id":"1508.03559","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.03559","created_at":"2026-05-18T01:23:08Z"},{"alias_kind":"arxiv_version","alias_value":"1508.03559v2","created_at":"2026-05-18T01:23:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.03559","created_at":"2026-05-18T01:23:08Z"},{"alias_kind":"pith_short_12","alias_value":"A4WS33UXVOQH","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"A4WS33UXVOQHAGAE","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"A4WS33UX","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:A4WS33UXVOQHAGAEQMQ625V5DW","target":"record","payload":{"canonical_record":{"source":{"id":"1508.03559","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2015-08-14T16:15:59Z","cross_cats_sorted":["math.OC","physics.bio-ph","physics.soc-ph"],"title_canon_sha256":"e7b2ca62f6e3ef066451148bef6297bd081fc6b27fbb7637d490590c68bd5a51","abstract_canon_sha256":"2b0f0561857133497de4f9c43d892dad7b1b68c4988f10895730ffd10461cee0"},"schema_version":"1.0"},"canonical_sha256":"072d2dee97aba07018048321ed76bd1d95be06c17cb5fb4ac8766cf69aa4bd52","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:08.211405Z","signature_b64":"r70T3N5BeaK0cUpoGwNM0FkKUEUIV5skpwWOCdmvfgOD9fEXdofIdCqPpnzb7Vhk45n0+4MSTBVLedvJ07tUAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"072d2dee97aba07018048321ed76bd1d95be06c17cb5fb4ac8766cf69aa4bd52","last_reissued_at":"2026-05-18T01:23:08.210753Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:08.210753Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1508.03559","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":"2026-05-18T01:23:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NNB59SciOut7raymGxN+Tycjx0v6RqZ0hUSHLwLu+0EUFKhsLfLH0B8cMZ/ukCLL8TL5vIPZZYvYq7eNSG1sAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T16:13:08.697109Z"},"content_sha256":"26c6299c1d50d220715a1c095df662e0a2954912a3f6a3b147f4601258044069","schema_version":"1.0","event_id":"sha256:26c6299c1d50d220715a1c095df662e0a2954912a3f6a3b147f4601258044069"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:A4WS33UXVOQHAGAEQMQ625V5DW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fundamental limitations of network reconstruction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.OC","physics.bio-ph","physics.soc-ph"],"primary_cat":"cs.SY","authors_text":"Albert-L\\'aszl\\'o Barab\\'asi, Jaime A. Moreno, Marco Tulio Angulo, Yang-Yu Liu","submitted_at":"2015-08-14T16:15:59Z","abstract_excerpt":"Network reconstruction is the first step towards understanding, diagnosing and controlling the dynamics of complex networked systems. It allows us to infer properties of the interaction matrix, which characterizes how nodes in a system directly interact with each other. Despite a decade of extensive studies, network reconstruction remains an outstanding challenge. The fundamental limitations governing which properties of the interaction matrix (e.g., adjacency pattern, sign pattern and degree sequence) can be inferred from given temporal data of individual nodes remain unknown. Here we rigorou"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.03559","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":"2026-05-18T01:23:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q7LiApzoJH/Os11d1o7AZu7TQ7QIIqKfim/c+Iub7eVqupu0ExzalqMZQEDaLQ+TdXUYhEYlct+PrxpE7sRTDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T16:13:08.697780Z"},"content_sha256":"7fe47ee3bfe6f76514a1720482df5c94763bcc0eddcde8b039988fd293109425","schema_version":"1.0","event_id":"sha256:7fe47ee3bfe6f76514a1720482df5c94763bcc0eddcde8b039988fd293109425"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A4WS33UXVOQHAGAEQMQ625V5DW/bundle.json","state_url":"https://pith.science/pith/A4WS33UXVOQHAGAEQMQ625V5DW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A4WS33UXVOQHAGAEQMQ625V5DW/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":"2026-06-08T16:13:08Z","links":{"resolver":"https://pith.science/pith/A4WS33UXVOQHAGAEQMQ625V5DW","bundle":"https://pith.science/pith/A4WS33UXVOQHAGAEQMQ625V5DW/bundle.json","state":"https://pith.science/pith/A4WS33UXVOQHAGAEQMQ625V5DW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A4WS33UXVOQHAGAEQMQ625V5DW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:A4WS33UXVOQHAGAEQMQ625V5DW","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":"2b0f0561857133497de4f9c43d892dad7b1b68c4988f10895730ffd10461cee0","cross_cats_sorted":["math.OC","physics.bio-ph","physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2015-08-14T16:15:59Z","title_canon_sha256":"e7b2ca62f6e3ef066451148bef6297bd081fc6b27fbb7637d490590c68bd5a51"},"schema_version":"1.0","source":{"id":"1508.03559","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.03559","created_at":"2026-05-18T01:23:08Z"},{"alias_kind":"arxiv_version","alias_value":"1508.03559v2","created_at":"2026-05-18T01:23:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.03559","created_at":"2026-05-18T01:23:08Z"},{"alias_kind":"pith_short_12","alias_value":"A4WS33UXVOQH","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"A4WS33UXVOQHAGAE","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"A4WS33UX","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:7fe47ee3bfe6f76514a1720482df5c94763bcc0eddcde8b039988fd293109425","target":"graph","created_at":"2026-05-18T01:23:08Z","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 reconstruction is the first step towards understanding, diagnosing and controlling the dynamics of complex networked systems. It allows us to infer properties of the interaction matrix, which characterizes how nodes in a system directly interact with each other. Despite a decade of extensive studies, network reconstruction remains an outstanding challenge. The fundamental limitations governing which properties of the interaction matrix (e.g., adjacency pattern, sign pattern and degree sequence) can be inferred from given temporal data of individual nodes remain unknown. Here we rigorou","authors_text":"Albert-L\\'aszl\\'o Barab\\'asi, Jaime A. Moreno, Marco Tulio Angulo, Yang-Yu Liu","cross_cats":["math.OC","physics.bio-ph","physics.soc-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2015-08-14T16:15:59Z","title":"Fundamental limitations of network reconstruction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.03559","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":"sha256:26c6299c1d50d220715a1c095df662e0a2954912a3f6a3b147f4601258044069","target":"record","created_at":"2026-05-18T01:23:08Z","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":"2b0f0561857133497de4f9c43d892dad7b1b68c4988f10895730ffd10461cee0","cross_cats_sorted":["math.OC","physics.bio-ph","physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2015-08-14T16:15:59Z","title_canon_sha256":"e7b2ca62f6e3ef066451148bef6297bd081fc6b27fbb7637d490590c68bd5a51"},"schema_version":"1.0","source":{"id":"1508.03559","kind":"arxiv","version":2}},"canonical_sha256":"072d2dee97aba07018048321ed76bd1d95be06c17cb5fb4ac8766cf69aa4bd52","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"072d2dee97aba07018048321ed76bd1d95be06c17cb5fb4ac8766cf69aa4bd52","first_computed_at":"2026-05-18T01:23:08.210753Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:08.210753Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r70T3N5BeaK0cUpoGwNM0FkKUEUIV5skpwWOCdmvfgOD9fEXdofIdCqPpnzb7Vhk45n0+4MSTBVLedvJ07tUAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:08.211405Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.03559","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:26c6299c1d50d220715a1c095df662e0a2954912a3f6a3b147f4601258044069","sha256:7fe47ee3bfe6f76514a1720482df5c94763bcc0eddcde8b039988fd293109425"],"state_sha256":"7f3987d2b7aadb1ab8ebefd3c631c40249bc8404278a090b1e47c07510e2f98b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YEW6WcHJGNEH+rnTTDwF6NG4IVnufXsk74c7kZsE+tG30rAMMv9DGUY0Mk+OztKUQj3+m6sSys4ykC9dbWcJBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T16:13:08.701573Z","bundle_sha256":"59f5c856504714577ac6039ef14091924733762819e48ccb5b2c7619e11883a8"}}