{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:TPULURVIQH7DY3C5EKI7B4ZONP","short_pith_number":"pith:TPULURVI","schema_version":"1.0","canonical_sha256":"9be8ba46a881fe3c6c5d2291f0f32e6bec914602b05e6941aec4e67254f2bbd3","source":{"kind":"arxiv","id":"2605.18282","version":1},"attestation_state":"computed","paper":{"title":"ASTRA: Asynchronous Age-Aware Satellite Random Access via Mean-Field Control","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"Mean-field control yields an age-threshold policy that lowers age of information in asynchronous satellite random access.","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Aimin Li, Elif Uysal, Sajjad Baghaee, Sayam Chakraborty, Yigit Ince","submitted_at":"2026-05-18T12:12:27Z","abstract_excerpt":"Satellite Internet-of-Things (IoT) enables massive status-update services beyond terrestrial coverage, but grant-free uplink access creates a coupled freshness-control problem: increasing repetition and receiver-side diversity improves a device's capture-SIC opportunities, yet the resulting population congestion degrades network-wide freshness. Existing AoI-aware random-access models often rely on slot-synchronous collisions, fixed delivery probabilities, or scalar transmit-or-wait decisions and therefore cannot capture asynchronous satellite uplinks with capture and SIC. This paper develops a"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":true,"formal_links_present":false},"canonical_record":{"source":{"id":"2605.18282","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2026-05-18T12:12:27Z","cross_cats_sorted":[],"title_canon_sha256":"782a2174593453e441db5050119813a061af98b18c2f2f3656399198e6f32f2c","abstract_canon_sha256":"6ab2166d6a1c1e52298f95a06044bc4edb24f0121e3426de6cffe7ac08c4bc35"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T00:05:53.296650Z","signature_b64":"wTmTf4wJ6KNu4hW0szR5UOqa3du7OrtB7m0V/e2XNHOFlatR5pF/u16L9kL17o8/0gw4YObEmDAuL60mfu9pDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9be8ba46a881fe3c6c5d2291f0f32e6bec914602b05e6941aec4e67254f2bbd3","last_reissued_at":"2026-05-20T00:05:53.296133Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T00:05:53.296133Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"ASTRA: Asynchronous Age-Aware Satellite Random Access via Mean-Field Control","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"Mean-field control yields an age-threshold policy that lowers age of information in asynchronous satellite random access.","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Aimin Li, Elif Uysal, Sajjad Baghaee, Sayam Chakraborty, Yigit Ince","submitted_at":"2026-05-18T12:12:27Z","abstract_excerpt":"Satellite Internet-of-Things (IoT) enables massive status-update services beyond terrestrial coverage, but grant-free uplink access creates a coupled freshness-control problem: increasing repetition and receiver-side diversity improves a device's capture-SIC opportunities, yet the resulting population congestion degrades network-wide freshness. Existing AoI-aware random-access models often rely on slot-synchronous collisions, fixed delivery probabilities, or scalar transmit-or-wait decisions and therefore cannot capture asynchronous satellite uplinks with capture and SIC. This paper develops a"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"The resulting system admits a mean-field equilibrium in which individual optimality and endogenous congestion are mutually consistent. We further prove that the optimal equilibrium policy admits an age-threshold structure. Numerical results show that the proposed policy reduces AoI relative to age-independent baselines.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The population interaction can be formulated as a scalable mean-field MDP in which devices optimize access timing and intensity using only local AoI observations while the delivery success probability depends on each device's repetition-diversity action (abstract).","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Develops a PHY-aware mean-field MDP for asynchronous satellite IoT random access that admits an age-threshold equilibrium policy reducing AoI relative to baselines.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Mean-field control yields an age-threshold policy that lowers age of information in asynchronous satellite random access.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"a9d6e44687fc63f2cfc4a6dcc3d59a89e3f46e19b95d4da9206839fd5601a90b"},"source":{"id":"2605.18282","kind":"arxiv","version":1},"verdict":{"id":"17790fa3-9cc4-4c1f-9d78-ba728ad13853","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-19T23:58:25.434512Z","strongest_claim":"The resulting system admits a mean-field equilibrium in which individual optimality and endogenous congestion are mutually consistent. We further prove that the optimal equilibrium policy admits an age-threshold structure. Numerical results show that the proposed policy reduces AoI relative to age-independent baselines.","one_line_summary":"Develops a PHY-aware mean-field MDP for asynchronous satellite IoT random access that admits an age-threshold equilibrium policy reducing AoI relative to baselines.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The population interaction can be formulated as a scalable mean-field MDP in which devices optimize access timing and intensity using only local AoI observations while the delivery success probability depends on each device's repetition-diversity action (abstract).","pith_extraction_headline":"Mean-field control yields an age-threshold policy that lowers age of information in asynchronous satellite random access."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.18282/integrity.json","findings":[],"available":true,"detectors_run":[{"name":"ai_meta_artifact","ran_at":"2026-05-19T23:33:35.232849Z","status":"skipped","version":"1.0.0","findings_count":0},{"name":"claim_evidence","ran_at":"2026-05-19T23:21:58.934269Z","status":"completed","version":"1.0.0","findings_count":0}],"snapshot_sha256":"4e57792b33733f069d0d2cc071dadaf81c10357142fdd29f019eb722afa31370"},"references":{"count":24,"sample":[{"doi":"","year":2026,"title":"ASTRA: Asynchronous age-aware satellite random access via mean-field control,","work_id":"1f0a633f-2678-40c8-b557-9beb58fa078b","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2019,"title":"Direct-to-satellite IoT – a survey of the state of the art and future research perspectives,","work_id":"c4affa25-97e5-42a9-a797-64c4a01580af","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2021,"title":"Satellite communications in the new space era: A survey and future challenges,","work_id":"38760274-ea43-4424-97be-3f9d6ba565d0","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2007,"title":"Contention resolu- tion diversity slotted ALOHA (CRDSA): An enhanced random access scheme for satellite access packet networks,","work_id":"0bd224f1-9c7f-472d-b186-694d320ca46a","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2011,"title":"Graph-based analysis and optimization of contention resolution diversity slotted ALOHA,","work_id":"92b7f46e-c9c4-4e3c-86dc-0a7bdd287484","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":24,"snapshot_sha256":"cc8d6fac03e18cf6ec0974ada1055b2c22a1819eb25f23991fc550d06c4f1b5c","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2605.18282","created_at":"2026-05-20T00:05:53.296197+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.18282v1","created_at":"2026-05-20T00:05:53.296197+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.18282","created_at":"2026-05-20T00:05:53.296197+00:00"},{"alias_kind":"pith_short_12","alias_value":"TPULURVIQH7D","created_at":"2026-05-20T00:05:53.296197+00:00"},{"alias_kind":"pith_short_16","alias_value":"TPULURVIQH7DY3C5","created_at":"2026-05-20T00:05:53.296197+00:00"},{"alias_kind":"pith_short_8","alias_value":"TPULURVI","created_at":"2026-05-20T00:05:53.296197+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/TPULURVIQH7DY3C5EKI7B4ZONP","json":"https://pith.science/pith/TPULURVIQH7DY3C5EKI7B4ZONP.json","graph_json":"https://pith.science/api/pith-number/TPULURVIQH7DY3C5EKI7B4ZONP/graph.json","events_json":"https://pith.science/api/pith-number/TPULURVIQH7DY3C5EKI7B4ZONP/events.json","paper":"https://pith.science/paper/TPULURVI"},"agent_actions":{"view_html":"https://pith.science/pith/TPULURVIQH7DY3C5EKI7B4ZONP","download_json":"https://pith.science/pith/TPULURVIQH7DY3C5EKI7B4ZONP.json","view_paper":"https://pith.science/paper/TPULURVI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.18282&json=true","fetch_graph":"https://pith.science/api/pith-number/TPULURVIQH7DY3C5EKI7B4ZONP/graph.json","fetch_events":"https://pith.science/api/pith-number/TPULURVIQH7DY3C5EKI7B4ZONP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TPULURVIQH7DY3C5EKI7B4ZONP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TPULURVIQH7DY3C5EKI7B4ZONP/action/storage_attestation","attest_author":"https://pith.science/pith/TPULURVIQH7DY3C5EKI7B4ZONP/action/author_attestation","sign_citation":"https://pith.science/pith/TPULURVIQH7DY3C5EKI7B4ZONP/action/citation_signature","submit_replication":"https://pith.science/pith/TPULURVIQH7DY3C5EKI7B4ZONP/action/replication_record"}},"created_at":"2026-05-20T00:05:53.296197+00:00","updated_at":"2026-05-20T00:05:53.296197+00:00"}