{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:7EYGS4YDKWKEABRETWCJKDJ46Z","short_pith_number":"pith:7EYGS4YD","canonical_record":{"source":{"id":"1301.1136","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2013-01-07T09:36:06Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"134e3a56c4caa44232ce6039c6e593c265bc639b109447822234f8690389b190","abstract_canon_sha256":"032f2d9ac952fa4176d6441cfc01017145ce8a739d577c7f7ad0b510bc30671b"},"schema_version":"1.0"},"canonical_sha256":"f93069730355944006249d84950d3cf675d4641a1e28534aa6e0618e4c65008d","source":{"kind":"arxiv","id":"1301.1136","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.1136","created_at":"2026-05-18T03:35:13Z"},{"alias_kind":"arxiv_version","alias_value":"1301.1136v1","created_at":"2026-05-18T03:35:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.1136","created_at":"2026-05-18T03:35:13Z"},{"alias_kind":"pith_short_12","alias_value":"7EYGS4YDKWKE","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7EYGS4YDKWKEABRE","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7EYGS4YD","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:7EYGS4YDKWKEABRETWCJKDJ46Z","target":"record","payload":{"canonical_record":{"source":{"id":"1301.1136","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2013-01-07T09:36:06Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"134e3a56c4caa44232ce6039c6e593c265bc639b109447822234f8690389b190","abstract_canon_sha256":"032f2d9ac952fa4176d6441cfc01017145ce8a739d577c7f7ad0b510bc30671b"},"schema_version":"1.0"},"canonical_sha256":"f93069730355944006249d84950d3cf675d4641a1e28534aa6e0618e4c65008d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:35:13.346424Z","signature_b64":"XwjwbJPpdzW8xVlTN9bbWTdIiWj6KpgmJrCF2hYW8eU1hey4lINnZMYGXXYzwSmfhEk8XCb9nEsITU65ubbzDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f93069730355944006249d84950d3cf675d4641a1e28534aa6e0618e4c65008d","last_reissued_at":"2026-05-18T03:35:13.345698Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:35:13.345698Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.1136","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":"2026-05-18T03:35:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7AJXDcaFW+jPrFJKOIc9Ip3J+pKXo3sO2p9aa6M71vD3/1RSMD+AUBU+EAyaDa9iVw4Y0eXkZtr+9Apy7MvpDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T01:45:37.805375Z"},"content_sha256":"0538c4ddc3d6aea81caf9976aa2eb0f51b2dc71eac0904395c09d983ebca821a","schema_version":"1.0","event_id":"sha256:0538c4ddc3d6aea81caf9976aa2eb0f51b2dc71eac0904395c09d983ebca821a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:7EYGS4YDKWKEABRETWCJKDJ46Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Systemic delay propagation in the US airport network","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"physics.soc-ph","authors_text":"Jose J. Ramasco, Pablo Fleurquin, Victor M. Eguiluz","submitted_at":"2013-01-07T09:36:06Z","abstract_excerpt":"Technologically driven transport systems are characterized by a networked structure connecting operation centers and by a dynamics ruled by pre-established schedules. Schedules impose serious constraints on the timing of the operations, condition the allocation of resources and define a baseline to assess system performance. Here we study the performance of an air transportation system in terms of delays. Technical, operational or meteorological issues affecting some flights give rise to primary delays. When operations continue, such delays can propagate, magnify and eventually involve a signi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.1136","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":"2026-05-18T03:35:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XYEB9RCnf9DmMV3x9vE9MBSguI4SQzIqQ9TXgdoGY3w3vl9iPWesjBD06KNwrvTb+Haeh6dCrjuUZkZLcqURCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T01:45:37.806067Z"},"content_sha256":"7290161b98c1a848cec6c75e19d51894e7fff4ee1ef918399c958c04cadb96d7","schema_version":"1.0","event_id":"sha256:7290161b98c1a848cec6c75e19d51894e7fff4ee1ef918399c958c04cadb96d7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7EYGS4YDKWKEABRETWCJKDJ46Z/bundle.json","state_url":"https://pith.science/pith/7EYGS4YDKWKEABRETWCJKDJ46Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7EYGS4YDKWKEABRETWCJKDJ46Z/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":"2026-06-11T01:45:37Z","links":{"resolver":"https://pith.science/pith/7EYGS4YDKWKEABRETWCJKDJ46Z","bundle":"https://pith.science/pith/7EYGS4YDKWKEABRETWCJKDJ46Z/bundle.json","state":"https://pith.science/pith/7EYGS4YDKWKEABRETWCJKDJ46Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7EYGS4YDKWKEABRETWCJKDJ46Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:7EYGS4YDKWKEABRETWCJKDJ46Z","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":"032f2d9ac952fa4176d6441cfc01017145ce8a739d577c7f7ad0b510bc30671b","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2013-01-07T09:36:06Z","title_canon_sha256":"134e3a56c4caa44232ce6039c6e593c265bc639b109447822234f8690389b190"},"schema_version":"1.0","source":{"id":"1301.1136","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.1136","created_at":"2026-05-18T03:35:13Z"},{"alias_kind":"arxiv_version","alias_value":"1301.1136v1","created_at":"2026-05-18T03:35:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.1136","created_at":"2026-05-18T03:35:13Z"},{"alias_kind":"pith_short_12","alias_value":"7EYGS4YDKWKE","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7EYGS4YDKWKEABRE","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7EYGS4YD","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:7290161b98c1a848cec6c75e19d51894e7fff4ee1ef918399c958c04cadb96d7","target":"graph","created_at":"2026-05-18T03:35:13Z","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":"Technologically driven transport systems are characterized by a networked structure connecting operation centers and by a dynamics ruled by pre-established schedules. Schedules impose serious constraints on the timing of the operations, condition the allocation of resources and define a baseline to assess system performance. Here we study the performance of an air transportation system in terms of delays. Technical, operational or meteorological issues affecting some flights give rise to primary delays. When operations continue, such delays can propagate, magnify and eventually involve a signi","authors_text":"Jose J. Ramasco, Pablo Fleurquin, Victor M. Eguiluz","cross_cats":["cond-mat.stat-mech"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2013-01-07T09:36:06Z","title":"Systemic delay propagation in the US airport network"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.1136","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":"sha256:0538c4ddc3d6aea81caf9976aa2eb0f51b2dc71eac0904395c09d983ebca821a","target":"record","created_at":"2026-05-18T03:35:13Z","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":"032f2d9ac952fa4176d6441cfc01017145ce8a739d577c7f7ad0b510bc30671b","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2013-01-07T09:36:06Z","title_canon_sha256":"134e3a56c4caa44232ce6039c6e593c265bc639b109447822234f8690389b190"},"schema_version":"1.0","source":{"id":"1301.1136","kind":"arxiv","version":1}},"canonical_sha256":"f93069730355944006249d84950d3cf675d4641a1e28534aa6e0618e4c65008d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f93069730355944006249d84950d3cf675d4641a1e28534aa6e0618e4c65008d","first_computed_at":"2026-05-18T03:35:13.345698Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:35:13.345698Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XwjwbJPpdzW8xVlTN9bbWTdIiWj6KpgmJrCF2hYW8eU1hey4lINnZMYGXXYzwSmfhEk8XCb9nEsITU65ubbzDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:35:13.346424Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.1136","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0538c4ddc3d6aea81caf9976aa2eb0f51b2dc71eac0904395c09d983ebca821a","sha256:7290161b98c1a848cec6c75e19d51894e7fff4ee1ef918399c958c04cadb96d7"],"state_sha256":"31fddb021b0be8a363e39a13b1200826742f65f757d8c89d40b6a3c3c0608b6d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A9R7EOoTYgX11tCdz30HCHX7RW1TrffI6zkBywT4VNBPoLZO7xtAdSsncM3bVSuypu4KOL2KYHmWzx5eQfHWDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T01:45:37.810478Z","bundle_sha256":"17f1bf8b584cc4e4297aa5e0e73b7dfb8fa6f82fc3aa1a2a1d36cb1f14a8fef0"}}