{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:S65HBI23SKKMLUR5IVTVO6MGCG","short_pith_number":"pith:S65HBI23","canonical_record":{"source":{"id":"2209.05597","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.space-ph","submitted_at":"2022-09-12T20:25:25Z","cross_cats_sorted":[],"title_canon_sha256":"95b41be5928c868727a8302e78bdf0d99aaa31e48f4d8838c4f4a1120be460ec","abstract_canon_sha256":"60321f81700609f1efbe9704f6c2fec70ab26cedc6a09d01ead73659ed93cdb5"},"schema_version":"1.0"},"canonical_sha256":"97ba70a35b9294c5d23d456757798611a1e2680acf85430e29f44315640fba67","source":{"kind":"arxiv","id":"2209.05597","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.05597","created_at":"2026-07-05T04:56:47Z"},{"alias_kind":"arxiv_version","alias_value":"2209.05597v1","created_at":"2026-07-05T04:56:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.05597","created_at":"2026-07-05T04:56:47Z"},{"alias_kind":"pith_short_12","alias_value":"S65HBI23SKKM","created_at":"2026-07-05T04:56:47Z"},{"alias_kind":"pith_short_16","alias_value":"S65HBI23SKKMLUR5","created_at":"2026-07-05T04:56:47Z"},{"alias_kind":"pith_short_8","alias_value":"S65HBI23","created_at":"2026-07-05T04:56:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:S65HBI23SKKMLUR5IVTVO6MGCG","target":"record","payload":{"canonical_record":{"source":{"id":"2209.05597","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.space-ph","submitted_at":"2022-09-12T20:25:25Z","cross_cats_sorted":[],"title_canon_sha256":"95b41be5928c868727a8302e78bdf0d99aaa31e48f4d8838c4f4a1120be460ec","abstract_canon_sha256":"60321f81700609f1efbe9704f6c2fec70ab26cedc6a09d01ead73659ed93cdb5"},"schema_version":"1.0"},"canonical_sha256":"97ba70a35b9294c5d23d456757798611a1e2680acf85430e29f44315640fba67","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:56:47.938432Z","signature_b64":"r5sjrzTbXZE6hxqQCV3ZHEkShzYmhMjWM6UdU6x7zorWI9tQnDwA9O78Ku8hIiHll9cvghl0ft5OotEMT6GPAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97ba70a35b9294c5d23d456757798611a1e2680acf85430e29f44315640fba67","last_reissued_at":"2026-07-05T04:56:47.938027Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:56:47.938027Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2209.05597","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":"2026-07-05T04:56:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LPbsUdhjaSI2R4uQ0YO0GY3XigkDXnfgXqj/pdlgVrjJs3Uf7xN6UN0gWdIoL16PgE0Pxmn+PUoXRN5IK7b3BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T16:46:20.269002Z"},"content_sha256":"286e09f658f759e841153cb19aad6a641f306129f489cdbe54971b70b86284ef","schema_version":"1.0","event_id":"sha256:286e09f658f759e841153cb19aad6a641f306129f489cdbe54971b70b86284ef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:S65HBI23SKKMLUR5IVTVO6MGCG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Understanding variability in HASDM to support space traffic management","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.space-ph","authors_text":"Dave Bouwer, Jean Yoshii, Kaiya Wahl, Marcin D. Pilinski, Piyush Mehta, Richard Licata, Shaylah Mutschler, W. Kent Tobiska","submitted_at":"2022-09-12T20:25:25Z","abstract_excerpt":"With more commercial constellations planned, the number of Low Earth Orbit (LEO) objects is set to TRIPLE in two years. The growth in LEO objects directly increases the probability of unintentional collisions between objects due to accumulating space debris. Effective space traffic management needs accurate knowledge of the variability in upper atmosphere densities. Data assimilative modeling, where physics-based models are informed by measurements, supplies the best capability today for specifying and predicting space weather. The foundation for this modeling comes from the SET High Accuracy "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.05597","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/2209.05597/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":"2026-07-05T04:56:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vaWcgBD6gnHCDwhCn7XZSA3AR8Qo0egGuuBETBdaYafcnLvLoF5sxc/RPxMtsyePisLEi2Nf25bYmOm4MBHABA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T16:46:20.269569Z"},"content_sha256":"64ecc3f46f4a4288b0bd21464483c1159a25a5106acce0b8a7580edbacaa8a48","schema_version":"1.0","event_id":"sha256:64ecc3f46f4a4288b0bd21464483c1159a25a5106acce0b8a7580edbacaa8a48"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S65HBI23SKKMLUR5IVTVO6MGCG/bundle.json","state_url":"https://pith.science/pith/S65HBI23SKKMLUR5IVTVO6MGCG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S65HBI23SKKMLUR5IVTVO6MGCG/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":"2026-08-13T16:46:20Z","links":{"resolver":"https://pith.science/pith/S65HBI23SKKMLUR5IVTVO6MGCG","bundle":"https://pith.science/pith/S65HBI23SKKMLUR5IVTVO6MGCG/bundle.json","state":"https://pith.science/pith/S65HBI23SKKMLUR5IVTVO6MGCG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S65HBI23SKKMLUR5IVTVO6MGCG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:S65HBI23SKKMLUR5IVTVO6MGCG","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":"60321f81700609f1efbe9704f6c2fec70ab26cedc6a09d01ead73659ed93cdb5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.space-ph","submitted_at":"2022-09-12T20:25:25Z","title_canon_sha256":"95b41be5928c868727a8302e78bdf0d99aaa31e48f4d8838c4f4a1120be460ec"},"schema_version":"1.0","source":{"id":"2209.05597","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.05597","created_at":"2026-07-05T04:56:47Z"},{"alias_kind":"arxiv_version","alias_value":"2209.05597v1","created_at":"2026-07-05T04:56:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.05597","created_at":"2026-07-05T04:56:47Z"},{"alias_kind":"pith_short_12","alias_value":"S65HBI23SKKM","created_at":"2026-07-05T04:56:47Z"},{"alias_kind":"pith_short_16","alias_value":"S65HBI23SKKMLUR5","created_at":"2026-07-05T04:56:47Z"},{"alias_kind":"pith_short_8","alias_value":"S65HBI23","created_at":"2026-07-05T04:56:47Z"}],"graph_snapshots":[{"event_id":"sha256:64ecc3f46f4a4288b0bd21464483c1159a25a5106acce0b8a7580edbacaa8a48","target":"graph","created_at":"2026-07-05T04:56:47Z","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/2209.05597/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"With more commercial constellations planned, the number of Low Earth Orbit (LEO) objects is set to TRIPLE in two years. The growth in LEO objects directly increases the probability of unintentional collisions between objects due to accumulating space debris. Effective space traffic management needs accurate knowledge of the variability in upper atmosphere densities. Data assimilative modeling, where physics-based models are informed by measurements, supplies the best capability today for specifying and predicting space weather. The foundation for this modeling comes from the SET High Accuracy ","authors_text":"Dave Bouwer, Jean Yoshii, Kaiya Wahl, Marcin D. Pilinski, Piyush Mehta, Richard Licata, Shaylah Mutschler, W. Kent Tobiska","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.space-ph","submitted_at":"2022-09-12T20:25:25Z","title":"Understanding variability in HASDM to support space traffic management"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.05597","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":"sha256:286e09f658f759e841153cb19aad6a641f306129f489cdbe54971b70b86284ef","target":"record","created_at":"2026-07-05T04:56:47Z","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":"60321f81700609f1efbe9704f6c2fec70ab26cedc6a09d01ead73659ed93cdb5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.space-ph","submitted_at":"2022-09-12T20:25:25Z","title_canon_sha256":"95b41be5928c868727a8302e78bdf0d99aaa31e48f4d8838c4f4a1120be460ec"},"schema_version":"1.0","source":{"id":"2209.05597","kind":"arxiv","version":1}},"canonical_sha256":"97ba70a35b9294c5d23d456757798611a1e2680acf85430e29f44315640fba67","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"97ba70a35b9294c5d23d456757798611a1e2680acf85430e29f44315640fba67","first_computed_at":"2026-07-05T04:56:47.938027Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:56:47.938027Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r5sjrzTbXZE6hxqQCV3ZHEkShzYmhMjWM6UdU6x7zorWI9tQnDwA9O78Ku8hIiHll9cvghl0ft5OotEMT6GPAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:56:47.938432Z","signed_message":"canonical_sha256_bytes"},"source_id":"2209.05597","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:286e09f658f759e841153cb19aad6a641f306129f489cdbe54971b70b86284ef","sha256:64ecc3f46f4a4288b0bd21464483c1159a25a5106acce0b8a7580edbacaa8a48"],"state_sha256":"29c1460451564e19f3918c8ed2831f1c43787b4eeb14baf2447939cc3fae07d6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fv/3PQzPt0PbG1pQCZjW7ypU3UcQDKEAX6SwBv4AQuuPEhKgrH/1DFrCqwhLf/LP19bwiRJHeaWqp7b3wh5NDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T16:46:20.275447Z","bundle_sha256":"55ee6ac9c5e620f963aae2341ba389ffb067078c5ef91334a7737b2f99473e6d"}}