{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:RQFJ7ALGLO3OQHYFGVGNYZWKJK","short_pith_number":"pith:RQFJ7ALG","canonical_record":{"source":{"id":"1909.04659","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2019-09-09T14:59:45Z","cross_cats_sorted":["cs.NI"],"title_canon_sha256":"e67fc8515a2516240e6540e923fb72ca01ba4ce72717f48b944f4d486cd94e08","abstract_canon_sha256":"e75a3c740e8ed5665ddd27fb15f77eedc5ccaad68983d0fba05d4beff776c089"},"schema_version":"1.0"},"canonical_sha256":"8c0a9f81665bb6e81f05354cdc66ca4abcf2bfbf778c7dacf37b842e85bda89f","source":{"kind":"arxiv","id":"1909.04659","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.04659","created_at":"2026-07-05T00:03:59Z"},{"alias_kind":"arxiv_version","alias_value":"1909.04659v1","created_at":"2026-07-05T00:03:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.04659","created_at":"2026-07-05T00:03:59Z"},{"alias_kind":"pith_short_12","alias_value":"RQFJ7ALGLO3O","created_at":"2026-07-05T00:03:59Z"},{"alias_kind":"pith_short_16","alias_value":"RQFJ7ALGLO3OQHYF","created_at":"2026-07-05T00:03:59Z"},{"alias_kind":"pith_short_8","alias_value":"RQFJ7ALG","created_at":"2026-07-05T00:03:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:RQFJ7ALGLO3OQHYFGVGNYZWKJK","target":"record","payload":{"canonical_record":{"source":{"id":"1909.04659","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2019-09-09T14:59:45Z","cross_cats_sorted":["cs.NI"],"title_canon_sha256":"e67fc8515a2516240e6540e923fb72ca01ba4ce72717f48b944f4d486cd94e08","abstract_canon_sha256":"e75a3c740e8ed5665ddd27fb15f77eedc5ccaad68983d0fba05d4beff776c089"},"schema_version":"1.0"},"canonical_sha256":"8c0a9f81665bb6e81f05354cdc66ca4abcf2bfbf778c7dacf37b842e85bda89f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:03:59.401041Z","signature_b64":"6yitAIru1oodposLl9QgxH1XOtNvtuerlXAiHgW+WKBDtZZ/96b9N2lWxjS2qZwfXdVZf4opLaBavZneS7JeBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8c0a9f81665bb6e81f05354cdc66ca4abcf2bfbf778c7dacf37b842e85bda89f","last_reissued_at":"2026-07-05T00:03:59.400609Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:03:59.400609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1909.04659","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":"2026-07-05T00:03:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wd+ug5e/RBD8Pf3qQ5nQG58wEa7m1gVw40zBmJobdrCrqYBuFTigjZFC7AU7tPJd9qr+uDLKSW6agvHQziltCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T08:52:51.683492Z"},"content_sha256":"567b3763309cf8bc3ec0d0bf21e0dfe6081c9034171593d3e43740ec790839fc","schema_version":"1.0","event_id":"sha256:567b3763309cf8bc3ec0d0bf21e0dfe6081c9034171593d3e43740ec790839fc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:RQFJ7ALGLO3OQHYFGVGNYZWKJK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Study of Dynamic Caching via State Transition Field -- the Case of Time-Varying Popularity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.NI"],"primary_cat":"cs.OS","authors_text":"Jie Gao, Lian Zhao, Xuemin (Sherman) Shen","submitted_at":"2019-09-09T14:59:45Z","abstract_excerpt":"In the second part of this two-part paper, we extend the study of dynamic caching via state transition field (STF) to the case of time-varying content popularity. The objective of this part is to investigate the impact of time-varying content popularity on the STF and how such impact accumulates to affect the performance of a replacement scheme. Unlike the case in the first part, the STF is no longer static over time, and we introduce instantaneous STF to model it. Moreover, we demonstrate that many metrics, such as instantaneous state caching probability and average cache hit probability over"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.04659","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/1909.04659/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":"2026-07-05T00:03:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PdXjwpjYde1yHHCAVCECtN0aGswqN3sebH8x/lZprgTQx23CX8n3apCkO/zDAIGTsR2Fv2eMuapYqjEwa1ugDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T08:52:51.684658Z"},"content_sha256":"a1f7cd6841d8e43c76e3a32f0e4e0ee4841b93a0e9a3b90e89308a3f5ccce5e4","schema_version":"1.0","event_id":"sha256:a1f7cd6841d8e43c76e3a32f0e4e0ee4841b93a0e9a3b90e89308a3f5ccce5e4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RQFJ7ALGLO3OQHYFGVGNYZWKJK/bundle.json","state_url":"https://pith.science/pith/RQFJ7ALGLO3OQHYFGVGNYZWKJK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RQFJ7ALGLO3OQHYFGVGNYZWKJK/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":"2026-08-04T08:52:51Z","links":{"resolver":"https://pith.science/pith/RQFJ7ALGLO3OQHYFGVGNYZWKJK","bundle":"https://pith.science/pith/RQFJ7ALGLO3OQHYFGVGNYZWKJK/bundle.json","state":"https://pith.science/pith/RQFJ7ALGLO3OQHYFGVGNYZWKJK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RQFJ7ALGLO3OQHYFGVGNYZWKJK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:RQFJ7ALGLO3OQHYFGVGNYZWKJK","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":"e75a3c740e8ed5665ddd27fb15f77eedc5ccaad68983d0fba05d4beff776c089","cross_cats_sorted":["cs.NI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2019-09-09T14:59:45Z","title_canon_sha256":"e67fc8515a2516240e6540e923fb72ca01ba4ce72717f48b944f4d486cd94e08"},"schema_version":"1.0","source":{"id":"1909.04659","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.04659","created_at":"2026-07-05T00:03:59Z"},{"alias_kind":"arxiv_version","alias_value":"1909.04659v1","created_at":"2026-07-05T00:03:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.04659","created_at":"2026-07-05T00:03:59Z"},{"alias_kind":"pith_short_12","alias_value":"RQFJ7ALGLO3O","created_at":"2026-07-05T00:03:59Z"},{"alias_kind":"pith_short_16","alias_value":"RQFJ7ALGLO3OQHYF","created_at":"2026-07-05T00:03:59Z"},{"alias_kind":"pith_short_8","alias_value":"RQFJ7ALG","created_at":"2026-07-05T00:03:59Z"}],"graph_snapshots":[{"event_id":"sha256:a1f7cd6841d8e43c76e3a32f0e4e0ee4841b93a0e9a3b90e89308a3f5ccce5e4","target":"graph","created_at":"2026-07-05T00:03:59Z","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/1909.04659/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In the second part of this two-part paper, we extend the study of dynamic caching via state transition field (STF) to the case of time-varying content popularity. The objective of this part is to investigate the impact of time-varying content popularity on the STF and how such impact accumulates to affect the performance of a replacement scheme. Unlike the case in the first part, the STF is no longer static over time, and we introduce instantaneous STF to model it. Moreover, we demonstrate that many metrics, such as instantaneous state caching probability and average cache hit probability over","authors_text":"Jie Gao, Lian Zhao, Xuemin (Sherman) Shen","cross_cats":["cs.NI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2019-09-09T14:59:45Z","title":"The Study of Dynamic Caching via State Transition Field -- the Case of Time-Varying Popularity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.04659","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":"sha256:567b3763309cf8bc3ec0d0bf21e0dfe6081c9034171593d3e43740ec790839fc","target":"record","created_at":"2026-07-05T00:03:59Z","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":"e75a3c740e8ed5665ddd27fb15f77eedc5ccaad68983d0fba05d4beff776c089","cross_cats_sorted":["cs.NI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.OS","submitted_at":"2019-09-09T14:59:45Z","title_canon_sha256":"e67fc8515a2516240e6540e923fb72ca01ba4ce72717f48b944f4d486cd94e08"},"schema_version":"1.0","source":{"id":"1909.04659","kind":"arxiv","version":1}},"canonical_sha256":"8c0a9f81665bb6e81f05354cdc66ca4abcf2bfbf778c7dacf37b842e85bda89f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8c0a9f81665bb6e81f05354cdc66ca4abcf2bfbf778c7dacf37b842e85bda89f","first_computed_at":"2026-07-05T00:03:59.400609Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:03:59.400609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6yitAIru1oodposLl9QgxH1XOtNvtuerlXAiHgW+WKBDtZZ/96b9N2lWxjS2qZwfXdVZf4opLaBavZneS7JeBw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:03:59.401041Z","signed_message":"canonical_sha256_bytes"},"source_id":"1909.04659","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:567b3763309cf8bc3ec0d0bf21e0dfe6081c9034171593d3e43740ec790839fc","sha256:a1f7cd6841d8e43c76e3a32f0e4e0ee4841b93a0e9a3b90e89308a3f5ccce5e4"],"state_sha256":"fae540e0e92429249147494610e97beee647f638c27b201ec912ed8441ed41b1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s3WdHyoE4mBmdpX2PRlFHm/pm1QAzkYHN5ntsLedfOCARJSOFI4W1mY44uUto363ePS4ZbVze05glxO2wK67AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T08:52:51.691671Z","bundle_sha256":"a1b54a272266869c4b9e633635339e5bb9a1b1f889d71ab5a59f21302d8b32ee"}}