{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:23NKXYD2CPCBR7VV4U2BPFYPP2","short_pith_number":"pith:23NKXYD2","canonical_record":{"source":{"id":"1708.09625","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-08-31T09:16:33Z","cross_cats_sorted":[],"title_canon_sha256":"c7c6f9b6c2300cd419d1ac7e32fb11a19c36316aeaf5d9572f31d32ab87a9ee8","abstract_canon_sha256":"508230399edfce0eb394c7c5adf5a067d32b3a0246ac904865703faf90838db1"},"schema_version":"1.0"},"canonical_sha256":"d6daabe07a13c418feb5e53417970f7eae8e2d5b8e74f0e790c2d2cea6a10b7a","source":{"kind":"arxiv","id":"1708.09625","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.09625","created_at":"2026-05-18T00:06:20Z"},{"alias_kind":"arxiv_version","alias_value":"1708.09625v1","created_at":"2026-05-18T00:06:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.09625","created_at":"2026-05-18T00:06:20Z"},{"alias_kind":"pith_short_12","alias_value":"23NKXYD2CPCB","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"23NKXYD2CPCBR7VV","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"23NKXYD2","created_at":"2026-05-18T12:30:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:23NKXYD2CPCBR7VV4U2BPFYPP2","target":"record","payload":{"canonical_record":{"source":{"id":"1708.09625","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-08-31T09:16:33Z","cross_cats_sorted":[],"title_canon_sha256":"c7c6f9b6c2300cd419d1ac7e32fb11a19c36316aeaf5d9572f31d32ab87a9ee8","abstract_canon_sha256":"508230399edfce0eb394c7c5adf5a067d32b3a0246ac904865703faf90838db1"},"schema_version":"1.0"},"canonical_sha256":"d6daabe07a13c418feb5e53417970f7eae8e2d5b8e74f0e790c2d2cea6a10b7a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:20.825386Z","signature_b64":"55FW1L/8mSa0+scBQSjCQ0zQwLn+g1OWgqSu1/WylKQZDMtt4BwG1hQxHgZZS2cd1jEf0Dv4BJ494BXLHTbaBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6daabe07a13c418feb5e53417970f7eae8e2d5b8e74f0e790c2d2cea6a10b7a","last_reissued_at":"2026-05-18T00:06:20.824800Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:20.824800Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.09625","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":"2026-05-18T00:06:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"frZgRL1IoMhnJWqkSmn2NLB+iQ9XhXrgnGVR0KH3Odd+hLaBN9xbQZlR/wZ8NxbLZTGx62rFaQITX5mW40AUCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T21:17:31.270224Z"},"content_sha256":"2de7256202438fe04fa3ebe777de8708b8d705a1779eacaec1b3b5e4d427d7fe","schema_version":"1.0","event_id":"sha256:2de7256202438fe04fa3ebe777de8708b8d705a1779eacaec1b3b5e4d427d7fe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:23NKXYD2CPCBR7VV4U2BPFYPP2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Local probe for connectivity and coupling strength in quantum complex networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Johannes Nokkala, Jyrki Piilo, Sabrina Maniscalco","submitted_at":"2017-08-31T09:16:33Z","abstract_excerpt":"We develop a local probe to estimate the connectivity of complex quantum networks. Our results show how global properties of different classes of complex networks can be estimated - in quantitative manner with high accuracy - by coupling a probe to a single node of the network. Here, our interest is focused on probing the connectivity, i.e. the degree sequence, and the value of the coupling constant within the complex network. The scheme combines results on classical graph theory with the ability to develop quantum probes for networks of quantum harmonic oscillators. Whilst our results are pro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.09625","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":"2026-05-18T00:06:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lKR1g1VydTyev2acHMbcjfWLC7H6rQu7XdaQhprx6DbBqG3WPBr5XEwuO56NoyxHtad0mNP3v9T8PLxvXLGfDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T21:17:31.270787Z"},"content_sha256":"1d43ce4a1448345294af091a8946cf37c75fc14f2ca049647822dd156ddb7c6b","schema_version":"1.0","event_id":"sha256:1d43ce4a1448345294af091a8946cf37c75fc14f2ca049647822dd156ddb7c6b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/23NKXYD2CPCBR7VV4U2BPFYPP2/bundle.json","state_url":"https://pith.science/pith/23NKXYD2CPCBR7VV4U2BPFYPP2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/23NKXYD2CPCBR7VV4U2BPFYPP2/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":"2026-06-03T21:17:31Z","links":{"resolver":"https://pith.science/pith/23NKXYD2CPCBR7VV4U2BPFYPP2","bundle":"https://pith.science/pith/23NKXYD2CPCBR7VV4U2BPFYPP2/bundle.json","state":"https://pith.science/pith/23NKXYD2CPCBR7VV4U2BPFYPP2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/23NKXYD2CPCBR7VV4U2BPFYPP2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:23NKXYD2CPCBR7VV4U2BPFYPP2","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":"508230399edfce0eb394c7c5adf5a067d32b3a0246ac904865703faf90838db1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-08-31T09:16:33Z","title_canon_sha256":"c7c6f9b6c2300cd419d1ac7e32fb11a19c36316aeaf5d9572f31d32ab87a9ee8"},"schema_version":"1.0","source":{"id":"1708.09625","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.09625","created_at":"2026-05-18T00:06:20Z"},{"alias_kind":"arxiv_version","alias_value":"1708.09625v1","created_at":"2026-05-18T00:06:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.09625","created_at":"2026-05-18T00:06:20Z"},{"alias_kind":"pith_short_12","alias_value":"23NKXYD2CPCB","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"23NKXYD2CPCBR7VV","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"23NKXYD2","created_at":"2026-05-18T12:30:55Z"}],"graph_snapshots":[{"event_id":"sha256:1d43ce4a1448345294af091a8946cf37c75fc14f2ca049647822dd156ddb7c6b","target":"graph","created_at":"2026-05-18T00:06:20Z","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":"We develop a local probe to estimate the connectivity of complex quantum networks. Our results show how global properties of different classes of complex networks can be estimated - in quantitative manner with high accuracy - by coupling a probe to a single node of the network. Here, our interest is focused on probing the connectivity, i.e. the degree sequence, and the value of the coupling constant within the complex network. The scheme combines results on classical graph theory with the ability to develop quantum probes for networks of quantum harmonic oscillators. Whilst our results are pro","authors_text":"Johannes Nokkala, Jyrki Piilo, Sabrina Maniscalco","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-08-31T09:16:33Z","title":"Local probe for connectivity and coupling strength in quantum complex networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.09625","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":"sha256:2de7256202438fe04fa3ebe777de8708b8d705a1779eacaec1b3b5e4d427d7fe","target":"record","created_at":"2026-05-18T00:06:20Z","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":"508230399edfce0eb394c7c5adf5a067d32b3a0246ac904865703faf90838db1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-08-31T09:16:33Z","title_canon_sha256":"c7c6f9b6c2300cd419d1ac7e32fb11a19c36316aeaf5d9572f31d32ab87a9ee8"},"schema_version":"1.0","source":{"id":"1708.09625","kind":"arxiv","version":1}},"canonical_sha256":"d6daabe07a13c418feb5e53417970f7eae8e2d5b8e74f0e790c2d2cea6a10b7a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d6daabe07a13c418feb5e53417970f7eae8e2d5b8e74f0e790c2d2cea6a10b7a","first_computed_at":"2026-05-18T00:06:20.824800Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:20.824800Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"55FW1L/8mSa0+scBQSjCQ0zQwLn+g1OWgqSu1/WylKQZDMtt4BwG1hQxHgZZS2cd1jEf0Dv4BJ494BXLHTbaBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:20.825386Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.09625","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2de7256202438fe04fa3ebe777de8708b8d705a1779eacaec1b3b5e4d427d7fe","sha256:1d43ce4a1448345294af091a8946cf37c75fc14f2ca049647822dd156ddb7c6b"],"state_sha256":"d531385ba0a12b1fc9500c0e5c2f1a22e21c3ac11ef0cbc273a2552c715e877b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LmMEUmZQktKFtEXxEO30sXYuqS+TYQOhlRsrBKPjx/bDwoxPVZ6B3zt38e8pba+onucvqF5RB1qYAFD1uT1rAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T21:17:31.273439Z","bundle_sha256":"efd0149b9d4b6219e2225a296174ca878d94a5af7e5273fccbfef4a12f1ead85"}}