{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:DR6IJBDJJ4RBXEGXGNOGGYVC7F","short_pith_number":"pith:DR6IJBDJ","canonical_record":{"source":{"id":"1908.06659","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-08-19T09:27:23Z","cross_cats_sorted":["cs.GT"],"title_canon_sha256":"a8764e36ea3eb9cf40b55cd9893f14465691a64d0ee8a13ab9046873bc6527c9","abstract_canon_sha256":"be36ec9a05a8284109451802b50a94889a1ce5a78a012d21c476ff1bc88ff3f8"},"schema_version":"1.0"},"canonical_sha256":"1c7c8484694f221b90d7335c6362a2f96632d7934d1007498fcee3cd5a28087e","source":{"kind":"arxiv","id":"1908.06659","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.06659","created_at":"2026-07-04T23:58:18Z"},{"alias_kind":"arxiv_version","alias_value":"1908.06659v1","created_at":"2026-07-04T23:58:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.06659","created_at":"2026-07-04T23:58:18Z"},{"alias_kind":"pith_short_12","alias_value":"DR6IJBDJJ4RB","created_at":"2026-07-04T23:58:18Z"},{"alias_kind":"pith_short_16","alias_value":"DR6IJBDJJ4RBXEGX","created_at":"2026-07-04T23:58:18Z"},{"alias_kind":"pith_short_8","alias_value":"DR6IJBDJ","created_at":"2026-07-04T23:58:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:DR6IJBDJJ4RBXEGXGNOGGYVC7F","target":"record","payload":{"canonical_record":{"source":{"id":"1908.06659","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-08-19T09:27:23Z","cross_cats_sorted":["cs.GT"],"title_canon_sha256":"a8764e36ea3eb9cf40b55cd9893f14465691a64d0ee8a13ab9046873bc6527c9","abstract_canon_sha256":"be36ec9a05a8284109451802b50a94889a1ce5a78a012d21c476ff1bc88ff3f8"},"schema_version":"1.0"},"canonical_sha256":"1c7c8484694f221b90d7335c6362a2f96632d7934d1007498fcee3cd5a28087e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:58:18.285109Z","signature_b64":"/R7xz3TYRyffcwCPrMmTlEmQdbn99WuWkqPOuWphGSM/cfSwn6gjR3e+yY8KTUwILuUfAeM/xS+FyAh/FxMKDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c7c8484694f221b90d7335c6362a2f96632d7934d1007498fcee3cd5a28087e","last_reissued_at":"2026-07-04T23:58:18.284725Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:58:18.284725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.06659","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":"2026-07-04T23:58:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xTrdUM6lWcecG2QaCMympIlxezyW3LxJ6KnOkr5TBzQmW/8CEeYsVgcRIoTZkq5pEd5sNaOTk8gqzGwvqWT/AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T09:32:58.936189Z"},"content_sha256":"590a25f995ac3ae7141fbd4e73d766b1267c2ea7c28d944fbdbb0c7a9ad61972","schema_version":"1.0","event_id":"sha256:590a25f995ac3ae7141fbd4e73d766b1267c2ea7c28d944fbdbb0c7a9ad61972"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:DR6IJBDJJ4RBXEGXGNOGGYVC7F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cache Subsidies for an Optimal Memory for Bandwidth Tradeoff in the Access Network","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.GT"],"primary_cat":"cs.NI","authors_text":"Ali Movaghar, Emilio Leonardi, James Roberts, Mahdieh Ahmadi","submitted_at":"2019-08-19T09:27:23Z","abstract_excerpt":"While the cost of the access network could be considerably reduced by the use of caching, this is not currently happening because content providers (CPs), who alone have the detailed demand data required for optimal content placement, have no natural incentive to use them to minimize access network operator (ANO) expenditure. We argue that ANOs should therefore provide such an incentive in the form of direct subsidies paid to the CPs in proportion to the realized savings. We apply coalition game theory to design the required subsidy framework and propose a distributed algorithm, based on Lagra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.06659","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/1908.06659/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":"2026-07-04T23:58:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SFwZGzcXCBibogLVEY+g3WQQE3J8tWO5HoKcT7htP+t20zDGr2H3SjTQGCEAPh0p0AKNVfM/JRzsh5/vNpUIAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T09:32:58.936982Z"},"content_sha256":"864a01f9cf15c37a9579cb9e11c84bc302e1d00a453eb0786608e65f6890e481","schema_version":"1.0","event_id":"sha256:864a01f9cf15c37a9579cb9e11c84bc302e1d00a453eb0786608e65f6890e481"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DR6IJBDJJ4RBXEGXGNOGGYVC7F/bundle.json","state_url":"https://pith.science/pith/DR6IJBDJJ4RBXEGXGNOGGYVC7F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DR6IJBDJJ4RBXEGXGNOGGYVC7F/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":"2026-08-16T09:32:58Z","links":{"resolver":"https://pith.science/pith/DR6IJBDJJ4RBXEGXGNOGGYVC7F","bundle":"https://pith.science/pith/DR6IJBDJJ4RBXEGXGNOGGYVC7F/bundle.json","state":"https://pith.science/pith/DR6IJBDJJ4RBXEGXGNOGGYVC7F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DR6IJBDJJ4RBXEGXGNOGGYVC7F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:DR6IJBDJJ4RBXEGXGNOGGYVC7F","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":"be36ec9a05a8284109451802b50a94889a1ce5a78a012d21c476ff1bc88ff3f8","cross_cats_sorted":["cs.GT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-08-19T09:27:23Z","title_canon_sha256":"a8764e36ea3eb9cf40b55cd9893f14465691a64d0ee8a13ab9046873bc6527c9"},"schema_version":"1.0","source":{"id":"1908.06659","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.06659","created_at":"2026-07-04T23:58:18Z"},{"alias_kind":"arxiv_version","alias_value":"1908.06659v1","created_at":"2026-07-04T23:58:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.06659","created_at":"2026-07-04T23:58:18Z"},{"alias_kind":"pith_short_12","alias_value":"DR6IJBDJJ4RB","created_at":"2026-07-04T23:58:18Z"},{"alias_kind":"pith_short_16","alias_value":"DR6IJBDJJ4RBXEGX","created_at":"2026-07-04T23:58:18Z"},{"alias_kind":"pith_short_8","alias_value":"DR6IJBDJ","created_at":"2026-07-04T23:58:18Z"}],"graph_snapshots":[{"event_id":"sha256:864a01f9cf15c37a9579cb9e11c84bc302e1d00a453eb0786608e65f6890e481","target":"graph","created_at":"2026-07-04T23:58:18Z","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/1908.06659/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"While the cost of the access network could be considerably reduced by the use of caching, this is not currently happening because content providers (CPs), who alone have the detailed demand data required for optimal content placement, have no natural incentive to use them to minimize access network operator (ANO) expenditure. We argue that ANOs should therefore provide such an incentive in the form of direct subsidies paid to the CPs in proportion to the realized savings. We apply coalition game theory to design the required subsidy framework and propose a distributed algorithm, based on Lagra","authors_text":"Ali Movaghar, Emilio Leonardi, James Roberts, Mahdieh Ahmadi","cross_cats":["cs.GT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-08-19T09:27:23Z","title":"Cache Subsidies for an Optimal Memory for Bandwidth Tradeoff in the Access Network"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.06659","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":"sha256:590a25f995ac3ae7141fbd4e73d766b1267c2ea7c28d944fbdbb0c7a9ad61972","target":"record","created_at":"2026-07-04T23:58:18Z","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":"be36ec9a05a8284109451802b50a94889a1ce5a78a012d21c476ff1bc88ff3f8","cross_cats_sorted":["cs.GT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2019-08-19T09:27:23Z","title_canon_sha256":"a8764e36ea3eb9cf40b55cd9893f14465691a64d0ee8a13ab9046873bc6527c9"},"schema_version":"1.0","source":{"id":"1908.06659","kind":"arxiv","version":1}},"canonical_sha256":"1c7c8484694f221b90d7335c6362a2f96632d7934d1007498fcee3cd5a28087e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c7c8484694f221b90d7335c6362a2f96632d7934d1007498fcee3cd5a28087e","first_computed_at":"2026-07-04T23:58:18.284725Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:58:18.284725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/R7xz3TYRyffcwCPrMmTlEmQdbn99WuWkqPOuWphGSM/cfSwn6gjR3e+yY8KTUwILuUfAeM/xS+FyAh/FxMKDA==","signature_status":"signed_v1","signed_at":"2026-07-04T23:58:18.285109Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.06659","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:590a25f995ac3ae7141fbd4e73d766b1267c2ea7c28d944fbdbb0c7a9ad61972","sha256:864a01f9cf15c37a9579cb9e11c84bc302e1d00a453eb0786608e65f6890e481"],"state_sha256":"c057f8cd55980b1e80e79d9e3a935efd01fa45eb479135c1a4b4f8b519134401"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YxsSkocDi+zth2sScIy9H9aPMUEfbQfFbrLx/cKhTCFPDqPSPbgPi4dY3LMgI7szwIJSoD0UkL6q1tTz3Oq4AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T09:32:58.942878Z","bundle_sha256":"fa412ce8e16b4b66fb33e067c4f20f3eacc9726affc8227c4a5974a28fa08eb5"}}