{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:2FD6FZJMDGJLGN5WH2OJHI6IRI","short_pith_number":"pith:2FD6FZJM","canonical_record":{"source":{"id":"2402.11389","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2024-02-17T21:56:53Z","cross_cats_sorted":[],"title_canon_sha256":"7871ee25cba73dcb2ca91abbe880416bee8bca7d55a44dfe5a588176499ff2c0","abstract_canon_sha256":"cb262fbea762d0b1679a316ba6abfaeafd5c2e8c36812efde320854e97dd673f"},"schema_version":"1.0"},"canonical_sha256":"d147e2e52c1992b337b63e9c93a3c88a2400b87ed814b1c940be19aec91369da","source":{"kind":"arxiv","id":"2402.11389","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.11389","created_at":"2026-07-05T07:46:38Z"},{"alias_kind":"arxiv_version","alias_value":"2402.11389v1","created_at":"2026-07-05T07:46:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.11389","created_at":"2026-07-05T07:46:38Z"},{"alias_kind":"pith_short_12","alias_value":"2FD6FZJMDGJL","created_at":"2026-07-05T07:46:38Z"},{"alias_kind":"pith_short_16","alias_value":"2FD6FZJMDGJLGN5W","created_at":"2026-07-05T07:46:38Z"},{"alias_kind":"pith_short_8","alias_value":"2FD6FZJM","created_at":"2026-07-05T07:46:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:2FD6FZJMDGJLGN5WH2OJHI6IRI","target":"record","payload":{"canonical_record":{"source":{"id":"2402.11389","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2024-02-17T21:56:53Z","cross_cats_sorted":[],"title_canon_sha256":"7871ee25cba73dcb2ca91abbe880416bee8bca7d55a44dfe5a588176499ff2c0","abstract_canon_sha256":"cb262fbea762d0b1679a316ba6abfaeafd5c2e8c36812efde320854e97dd673f"},"schema_version":"1.0"},"canonical_sha256":"d147e2e52c1992b337b63e9c93a3c88a2400b87ed814b1c940be19aec91369da","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:46:38.433584Z","signature_b64":"Y1gEj9aPjw5r/H+yKv7FyAluEiN6NkGXSqztlZFkwebBe4p7olwWqqOiu1QZvGFNeYT0h1lK3I41nUL7KoPzBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d147e2e52c1992b337b63e9c93a3c88a2400b87ed814b1c940be19aec91369da","last_reissued_at":"2026-07-05T07:46:38.433117Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:46:38.433117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2402.11389","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":"2026-07-05T07:46:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X41YGbvpBqsr71tlp7Ddp399oV5SNdw2LI1n+gMIGhNIDtCNrNQt4wLxk1F6Z77wdZkAKRS2hN3hkz51E8TmCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T07:01:53.470078Z"},"content_sha256":"091853e45277f158a5f94b0ac11318ff3c8de283604da902493eab06aa9a0a78","schema_version":"1.0","event_id":"sha256:091853e45277f158a5f94b0ac11318ff3c8de283604da902493eab06aa9a0a78"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:2FD6FZJMDGJLGN5WH2OJHI6IRI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spaceport Facility Location Planning within the US National Airspace System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.OC","authors_text":"Haochen Wu, Jackson A. Miller, Kevin R. Sun, Max Z. Li, Oliver Jia-Richards","submitted_at":"2024-02-17T21:56:53Z","abstract_excerpt":"The burgeoning commercial space transportation industry necessitates an expansion of launch infrastructure to meet rising demands. However, future operations from these large-scale infrastructures can result in new impacts, particularly to air traffic operations. To rigorously reason about where such future spaceports might be located and what their impacts might be, we introduce a facility location planning model for future US spaceports (SPFLP). Central considerations for the SPFLP include population density, space launch trajectories, and potential impacts to air traffic within the US Natio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.11389","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2402.11389/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":"2026-07-05T07:46:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kV7XZ6PGxIXm7YnXEqziJRPoCZsmP6UzIzYcTzulH/miST2Zd7XrdF/sUld96QwoFsI8/wUa7eYvIg8+Tt97Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T07:01:53.470493Z"},"content_sha256":"3105b760a751d8befe4c1fc71a657a39da04a1d3eaa59b915c2136fa02793a12","schema_version":"1.0","event_id":"sha256:3105b760a751d8befe4c1fc71a657a39da04a1d3eaa59b915c2136fa02793a12"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2FD6FZJMDGJLGN5WH2OJHI6IRI/bundle.json","state_url":"https://pith.science/pith/2FD6FZJMDGJLGN5WH2OJHI6IRI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2FD6FZJMDGJLGN5WH2OJHI6IRI/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":"2026-07-08T07:01:53Z","links":{"resolver":"https://pith.science/pith/2FD6FZJMDGJLGN5WH2OJHI6IRI","bundle":"https://pith.science/pith/2FD6FZJMDGJLGN5WH2OJHI6IRI/bundle.json","state":"https://pith.science/pith/2FD6FZJMDGJLGN5WH2OJHI6IRI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2FD6FZJMDGJLGN5WH2OJHI6IRI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:2FD6FZJMDGJLGN5WH2OJHI6IRI","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":"cb262fbea762d0b1679a316ba6abfaeafd5c2e8c36812efde320854e97dd673f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2024-02-17T21:56:53Z","title_canon_sha256":"7871ee25cba73dcb2ca91abbe880416bee8bca7d55a44dfe5a588176499ff2c0"},"schema_version":"1.0","source":{"id":"2402.11389","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.11389","created_at":"2026-07-05T07:46:38Z"},{"alias_kind":"arxiv_version","alias_value":"2402.11389v1","created_at":"2026-07-05T07:46:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.11389","created_at":"2026-07-05T07:46:38Z"},{"alias_kind":"pith_short_12","alias_value":"2FD6FZJMDGJL","created_at":"2026-07-05T07:46:38Z"},{"alias_kind":"pith_short_16","alias_value":"2FD6FZJMDGJLGN5W","created_at":"2026-07-05T07:46:38Z"},{"alias_kind":"pith_short_8","alias_value":"2FD6FZJM","created_at":"2026-07-05T07:46:38Z"}],"graph_snapshots":[{"event_id":"sha256:3105b760a751d8befe4c1fc71a657a39da04a1d3eaa59b915c2136fa02793a12","target":"graph","created_at":"2026-07-05T07:46:38Z","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/2402.11389/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The burgeoning commercial space transportation industry necessitates an expansion of launch infrastructure to meet rising demands. However, future operations from these large-scale infrastructures can result in new impacts, particularly to air traffic operations. To rigorously reason about where such future spaceports might be located and what their impacts might be, we introduce a facility location planning model for future US spaceports (SPFLP). Central considerations for the SPFLP include population density, space launch trajectories, and potential impacts to air traffic within the US Natio","authors_text":"Haochen Wu, Jackson A. Miller, Kevin R. Sun, Max Z. Li, Oliver Jia-Richards","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2024-02-17T21:56:53Z","title":"Spaceport Facility Location Planning within the US National Airspace System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.11389","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":"sha256:091853e45277f158a5f94b0ac11318ff3c8de283604da902493eab06aa9a0a78","target":"record","created_at":"2026-07-05T07:46:38Z","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":"cb262fbea762d0b1679a316ba6abfaeafd5c2e8c36812efde320854e97dd673f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2024-02-17T21:56:53Z","title_canon_sha256":"7871ee25cba73dcb2ca91abbe880416bee8bca7d55a44dfe5a588176499ff2c0"},"schema_version":"1.0","source":{"id":"2402.11389","kind":"arxiv","version":1}},"canonical_sha256":"d147e2e52c1992b337b63e9c93a3c88a2400b87ed814b1c940be19aec91369da","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d147e2e52c1992b337b63e9c93a3c88a2400b87ed814b1c940be19aec91369da","first_computed_at":"2026-07-05T07:46:38.433117Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:46:38.433117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y1gEj9aPjw5r/H+yKv7FyAluEiN6NkGXSqztlZFkwebBe4p7olwWqqOiu1QZvGFNeYT0h1lK3I41nUL7KoPzBw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:46:38.433584Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.11389","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:091853e45277f158a5f94b0ac11318ff3c8de283604da902493eab06aa9a0a78","sha256:3105b760a751d8befe4c1fc71a657a39da04a1d3eaa59b915c2136fa02793a12"],"state_sha256":"1d5060dab9427681125ac04ce2d2ee184db8d61860ec10a9ac5ca4c16461ecc9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6/Wh0FDh5bPOIW61pdGNSd3mLN456hDkp/Jn2hboGJv9AbAWm4c0kl9dAApyxqtp7HvS2SqB15+zq2weCgp7BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T07:01:53.473168Z","bundle_sha256":"8fdc556ada4de036dd53831d7a9f96b0cc24638a89ff9f75db1664b8c836cd04"}}