{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:EE4VHAANNCF3OE7G3CC3XYQVAI","short_pith_number":"pith:EE4VHAAN","canonical_record":{"source":{"id":"1504.07361","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-04-28T07:04:06Z","cross_cats_sorted":["cs.IR"],"title_canon_sha256":"971ef92afb2ca4ae2e2dd281b7ac661edf562e8733d435b7f6d3e5431497b6e3","abstract_canon_sha256":"0765770bdbcac5a397f1cce78d43e91eb2416b9162be6ce1646d1c80750c534d"},"schema_version":"1.0"},"canonical_sha256":"213953800d688bb713e6d885bbe2150211c244f04062e6cd1c172e2c07a9bf02","source":{"kind":"arxiv","id":"1504.07361","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.07361","created_at":"2026-05-18T00:47:29Z"},{"alias_kind":"arxiv_version","alias_value":"1504.07361v2","created_at":"2026-05-18T00:47:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.07361","created_at":"2026-05-18T00:47:29Z"},{"alias_kind":"pith_short_12","alias_value":"EE4VHAANNCF3","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"EE4VHAANNCF3OE7G","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"EE4VHAAN","created_at":"2026-05-18T12:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:EE4VHAANNCF3OE7G3CC3XYQVAI","target":"record","payload":{"canonical_record":{"source":{"id":"1504.07361","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-04-28T07:04:06Z","cross_cats_sorted":["cs.IR"],"title_canon_sha256":"971ef92afb2ca4ae2e2dd281b7ac661edf562e8733d435b7f6d3e5431497b6e3","abstract_canon_sha256":"0765770bdbcac5a397f1cce78d43e91eb2416b9162be6ce1646d1c80750c534d"},"schema_version":"1.0"},"canonical_sha256":"213953800d688bb713e6d885bbe2150211c244f04062e6cd1c172e2c07a9bf02","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:47:29.635300Z","signature_b64":"MEBzPtwDY1aPOL4hdbt6L5SeBL7Gdth1OQRUcXucC934eAUlKna/BkKDqjh9fH8ZXZzM9+zY7IFCjxc4DYcDDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"213953800d688bb713e6d885bbe2150211c244f04062e6cd1c172e2c07a9bf02","last_reissued_at":"2026-05-18T00:47:29.634653Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:47:29.634653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.07361","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":"2026-05-18T00:47:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cyoNdT0FWAELsMj3FtE4lQbE0HC+Ku0GDLCZN7X3SbRQQaq3t5GjY6y8vbYOe8Y2D0vuEoyHKL/0k0JnLOu2BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T22:27:44.948609Z"},"content_sha256":"4574acc3a9dbf5f9a2264217cf1dd9c95b916d1c93cea74ce85ab0c9f113be75","schema_version":"1.0","event_id":"sha256:4574acc3a9dbf5f9a2264217cf1dd9c95b916d1c93cea74ce85ab0c9f113be75"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:EE4VHAANNCF3OE7G3CC3XYQVAI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Graph-based Method for Summarized Storyline Generation in Twitter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IR"],"primary_cat":"cs.SI","authors_text":"Masoud Asadpour, Nazanin Dehghani","submitted_at":"2015-04-28T07:04:06Z","abstract_excerpt":"Twitter has become a leading source of real-time world-wide information and a great medium for exploring emerging events, breaking news and general topics which most matter to a broad audience. On the other hand, the explosive rate of incoming information in Twitter leads users to experience information overload. Whereas, a significant fraction of tweets are about news events, summarizing the storyline of events can be helpful for users to easily access to the relevant and key information hidden among tweets and thereby draw high level conclusions. Storytelling is the task of providing chronol"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.07361","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":""},"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":"2026-05-18T00:47:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4OQRqcNpsFAEyDvt5eLWm9I2DDs36ZioDuo17HibA+CMTf8d7izME+z5GBzrZutssRomuVjeQTZZVqjtAKrSCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T22:27:44.949374Z"},"content_sha256":"0eca7c0de7e147665ec2f36dbe5d8c374180438725b4b5c0b1772fadabd9ad93","schema_version":"1.0","event_id":"sha256:0eca7c0de7e147665ec2f36dbe5d8c374180438725b4b5c0b1772fadabd9ad93"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EE4VHAANNCF3OE7G3CC3XYQVAI/bundle.json","state_url":"https://pith.science/pith/EE4VHAANNCF3OE7G3CC3XYQVAI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EE4VHAANNCF3OE7G3CC3XYQVAI/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":"2026-06-04T22:27:44Z","links":{"resolver":"https://pith.science/pith/EE4VHAANNCF3OE7G3CC3XYQVAI","bundle":"https://pith.science/pith/EE4VHAANNCF3OE7G3CC3XYQVAI/bundle.json","state":"https://pith.science/pith/EE4VHAANNCF3OE7G3CC3XYQVAI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EE4VHAANNCF3OE7G3CC3XYQVAI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:EE4VHAANNCF3OE7G3CC3XYQVAI","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":"0765770bdbcac5a397f1cce78d43e91eb2416b9162be6ce1646d1c80750c534d","cross_cats_sorted":["cs.IR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-04-28T07:04:06Z","title_canon_sha256":"971ef92afb2ca4ae2e2dd281b7ac661edf562e8733d435b7f6d3e5431497b6e3"},"schema_version":"1.0","source":{"id":"1504.07361","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.07361","created_at":"2026-05-18T00:47:29Z"},{"alias_kind":"arxiv_version","alias_value":"1504.07361v2","created_at":"2026-05-18T00:47:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.07361","created_at":"2026-05-18T00:47:29Z"},{"alias_kind":"pith_short_12","alias_value":"EE4VHAANNCF3","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"EE4VHAANNCF3OE7G","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"EE4VHAAN","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:0eca7c0de7e147665ec2f36dbe5d8c374180438725b4b5c0b1772fadabd9ad93","target":"graph","created_at":"2026-05-18T00:47:29Z","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"},"paper":{"abstract_excerpt":"Twitter has become a leading source of real-time world-wide information and a great medium for exploring emerging events, breaking news and general topics which most matter to a broad audience. On the other hand, the explosive rate of incoming information in Twitter leads users to experience information overload. Whereas, a significant fraction of tweets are about news events, summarizing the storyline of events can be helpful for users to easily access to the relevant and key information hidden among tweets and thereby draw high level conclusions. Storytelling is the task of providing chronol","authors_text":"Masoud Asadpour, Nazanin Dehghani","cross_cats":["cs.IR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-04-28T07:04:06Z","title":"Graph-based Method for Summarized Storyline Generation in Twitter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.07361","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":"sha256:4574acc3a9dbf5f9a2264217cf1dd9c95b916d1c93cea74ce85ab0c9f113be75","target":"record","created_at":"2026-05-18T00:47:29Z","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":"0765770bdbcac5a397f1cce78d43e91eb2416b9162be6ce1646d1c80750c534d","cross_cats_sorted":["cs.IR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-04-28T07:04:06Z","title_canon_sha256":"971ef92afb2ca4ae2e2dd281b7ac661edf562e8733d435b7f6d3e5431497b6e3"},"schema_version":"1.0","source":{"id":"1504.07361","kind":"arxiv","version":2}},"canonical_sha256":"213953800d688bb713e6d885bbe2150211c244f04062e6cd1c172e2c07a9bf02","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"213953800d688bb713e6d885bbe2150211c244f04062e6cd1c172e2c07a9bf02","first_computed_at":"2026-05-18T00:47:29.634653Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:47:29.634653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MEBzPtwDY1aPOL4hdbt6L5SeBL7Gdth1OQRUcXucC934eAUlKna/BkKDqjh9fH8ZXZzM9+zY7IFCjxc4DYcDDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:47:29.635300Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.07361","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4574acc3a9dbf5f9a2264217cf1dd9c95b916d1c93cea74ce85ab0c9f113be75","sha256:0eca7c0de7e147665ec2f36dbe5d8c374180438725b4b5c0b1772fadabd9ad93"],"state_sha256":"4f51726ee276bc3c4051bdf6ef84792a92479fdf44955be1666d0bdf6e77b8ea"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y5yQywiYL1IagknJoHVkppzM8jDi7HQkfc3nqp39OsFMyyBwqvqOv66QD8111rQVlMYSV8A617deirmLn1ZTBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T22:27:44.953734Z","bundle_sha256":"8c2566b8fa3beb3c4dd6898af24adc9c43f05a112c749bc9d70d6cbaf961f7f6"}}