{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:ULJHWHEDABY4TXLI4RXHYNEOID","short_pith_number":"pith:ULJHWHED","canonical_record":{"source":{"id":"2412.03557","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DL","submitted_at":"2024-12-04T18:52:32Z","cross_cats_sorted":["cs.IR"],"title_canon_sha256":"859da4d6a18fd9eed45e3a9e04b53af16806aa186e7b6f1dc8e944e9f1b73449","abstract_canon_sha256":"0e6cbf4481112a4c5e42383e39f16e9df6f5da002015bdbf8e5e40b3248bb1e7"},"schema_version":"1.0"},"canonical_sha256":"a2d27b1c830071c9dd68e46e7c348e40cc4a89b59257dfecffefb009396474f1","source":{"kind":"arxiv","id":"2412.03557","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.03557","created_at":"2026-07-05T09:54:48Z"},{"alias_kind":"arxiv_version","alias_value":"2412.03557v2","created_at":"2026-07-05T09:54:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.03557","created_at":"2026-07-05T09:54:48Z"},{"alias_kind":"pith_short_12","alias_value":"ULJHWHEDABY4","created_at":"2026-07-05T09:54:48Z"},{"alias_kind":"pith_short_16","alias_value":"ULJHWHEDABY4TXLI","created_at":"2026-07-05T09:54:48Z"},{"alias_kind":"pith_short_8","alias_value":"ULJHWHED","created_at":"2026-07-05T09:54:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:ULJHWHEDABY4TXLI4RXHYNEOID","target":"record","payload":{"canonical_record":{"source":{"id":"2412.03557","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DL","submitted_at":"2024-12-04T18:52:32Z","cross_cats_sorted":["cs.IR"],"title_canon_sha256":"859da4d6a18fd9eed45e3a9e04b53af16806aa186e7b6f1dc8e944e9f1b73449","abstract_canon_sha256":"0e6cbf4481112a4c5e42383e39f16e9df6f5da002015bdbf8e5e40b3248bb1e7"},"schema_version":"1.0"},"canonical_sha256":"a2d27b1c830071c9dd68e46e7c348e40cc4a89b59257dfecffefb009396474f1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:54:48.838214Z","signature_b64":"ZLawl8n/IHICu4v1YlvjZf5Rd4C8K/jV3NACHI+DsQ4HAHKiF6j4Sj9gXaQWwLVvAROrsp97i/tYajgHdcL0Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2d27b1c830071c9dd68e46e7c348e40cc4a89b59257dfecffefb009396474f1","last_reissued_at":"2026-07-05T09:54:48.837732Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:54:48.837732Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.03557","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:54:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tJSuQUdPJDi/4VJtAOIU1AKfVbrp5BHnsxFk9oC9VrylXpHLDf03cfOqVK0SdRy4dotTi38JE6cSiAbojYjMAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T00:56:11.082650Z"},"content_sha256":"d11a4ecbbf703ba58bfd50405bfa58dbba7ec8ac5129aee8123b1f2d4a87211d","schema_version":"1.0","event_id":"sha256:d11a4ecbbf703ba58bfd50405bfa58dbba7ec8ac5129aee8123b1f2d4a87211d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:ULJHWHEDABY4TXLI4RXHYNEOID","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Freshness and Informativity Weighted Cognitive Extent and Its Correlation with Cumulative Citation Count","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.IR"],"primary_cat":"cs.DL","authors_text":"Jian Wu, Zihe Wang","submitted_at":"2024-12-04T18:52:32Z","abstract_excerpt":"In this paper, we revisit cognitive extent, originally defined as the number of unique phrases in a quota. We introduce Freshness and Informative Weighted Cognitive Extent (FICE), calculated based on two novel weighting factors, the lifetime ratio and informativity of scientific entities. We model the lifetime of each scientific entity as the time-dependent document frequency, which is fit by the composition of multiple Gaussian profiles. The lifetime ratio is then calculated as the cumulative document frequency at the publication time $t_0$ divided by the cumulative document frequency over it"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.03557","kind":"arxiv","version":2},"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/2412.03557/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":"2026-07-05T09:54:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CC2FEVjU1QpkfOEkQYWsDuMW4GWLX9bu7KUPqO2tM4BgoxHmeQUgqREhmJsuutrX8nhiDlmqu6tMkmUcgHeGDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T00:56:11.083148Z"},"content_sha256":"bb8a1f61d72b8ee3e4777808de06a27c0d57c270044cbf0d4c2e8238deacb012","schema_version":"1.0","event_id":"sha256:bb8a1f61d72b8ee3e4777808de06a27c0d57c270044cbf0d4c2e8238deacb012"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ULJHWHEDABY4TXLI4RXHYNEOID/bundle.json","state_url":"https://pith.science/pith/ULJHWHEDABY4TXLI4RXHYNEOID/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ULJHWHEDABY4TXLI4RXHYNEOID/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":"2026-08-16T00:56:11Z","links":{"resolver":"https://pith.science/pith/ULJHWHEDABY4TXLI4RXHYNEOID","bundle":"https://pith.science/pith/ULJHWHEDABY4TXLI4RXHYNEOID/bundle.json","state":"https://pith.science/pith/ULJHWHEDABY4TXLI4RXHYNEOID/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ULJHWHEDABY4TXLI4RXHYNEOID/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:ULJHWHEDABY4TXLI4RXHYNEOID","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":"0e6cbf4481112a4c5e42383e39f16e9df6f5da002015bdbf8e5e40b3248bb1e7","cross_cats_sorted":["cs.IR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DL","submitted_at":"2024-12-04T18:52:32Z","title_canon_sha256":"859da4d6a18fd9eed45e3a9e04b53af16806aa186e7b6f1dc8e944e9f1b73449"},"schema_version":"1.0","source":{"id":"2412.03557","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.03557","created_at":"2026-07-05T09:54:48Z"},{"alias_kind":"arxiv_version","alias_value":"2412.03557v2","created_at":"2026-07-05T09:54:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.03557","created_at":"2026-07-05T09:54:48Z"},{"alias_kind":"pith_short_12","alias_value":"ULJHWHEDABY4","created_at":"2026-07-05T09:54:48Z"},{"alias_kind":"pith_short_16","alias_value":"ULJHWHEDABY4TXLI","created_at":"2026-07-05T09:54:48Z"},{"alias_kind":"pith_short_8","alias_value":"ULJHWHED","created_at":"2026-07-05T09:54:48Z"}],"graph_snapshots":[{"event_id":"sha256:bb8a1f61d72b8ee3e4777808de06a27c0d57c270044cbf0d4c2e8238deacb012","target":"graph","created_at":"2026-07-05T09:54:48Z","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/2412.03557/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we revisit cognitive extent, originally defined as the number of unique phrases in a quota. We introduce Freshness and Informative Weighted Cognitive Extent (FICE), calculated based on two novel weighting factors, the lifetime ratio and informativity of scientific entities. We model the lifetime of each scientific entity as the time-dependent document frequency, which is fit by the composition of multiple Gaussian profiles. The lifetime ratio is then calculated as the cumulative document frequency at the publication time $t_0$ divided by the cumulative document frequency over it","authors_text":"Jian Wu, Zihe Wang","cross_cats":["cs.IR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DL","submitted_at":"2024-12-04T18:52:32Z","title":"Freshness and Informativity Weighted Cognitive Extent and Its Correlation with Cumulative Citation Count"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.03557","kind":"arxiv","version":2},"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:d11a4ecbbf703ba58bfd50405bfa58dbba7ec8ac5129aee8123b1f2d4a87211d","target":"record","created_at":"2026-07-05T09:54:48Z","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":"0e6cbf4481112a4c5e42383e39f16e9df6f5da002015bdbf8e5e40b3248bb1e7","cross_cats_sorted":["cs.IR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DL","submitted_at":"2024-12-04T18:52:32Z","title_canon_sha256":"859da4d6a18fd9eed45e3a9e04b53af16806aa186e7b6f1dc8e944e9f1b73449"},"schema_version":"1.0","source":{"id":"2412.03557","kind":"arxiv","version":2}},"canonical_sha256":"a2d27b1c830071c9dd68e46e7c348e40cc4a89b59257dfecffefb009396474f1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a2d27b1c830071c9dd68e46e7c348e40cc4a89b59257dfecffefb009396474f1","first_computed_at":"2026-07-05T09:54:48.837732Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:54:48.837732Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZLawl8n/IHICu4v1YlvjZf5Rd4C8K/jV3NACHI+DsQ4HAHKiF6j4Sj9gXaQWwLVvAROrsp97i/tYajgHdcL0Bg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:54:48.838214Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.03557","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d11a4ecbbf703ba58bfd50405bfa58dbba7ec8ac5129aee8123b1f2d4a87211d","sha256:bb8a1f61d72b8ee3e4777808de06a27c0d57c270044cbf0d4c2e8238deacb012"],"state_sha256":"11d6a9d6092f09e238120ee453c743991acb894b4aca4f02c90b44e5153dee02"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ri+E/Y1VNHtiNnD7uXWl8JpYtjkvDIh3AqvF/qAdiUYBmcKhS8ZDvX3mXZYbHFAxd9bhAAkrzi6KtXWRy5ibBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T00:56:11.088624Z","bundle_sha256":"56a86c3bb9018c4b35960f0b802e40eefd45d3de5aaa559c3c0a96973b9f6f1a"}}