{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:X5OLTK7U5YC35JB2HUMJBQBTXG","short_pith_number":"pith:X5OLTK7U","canonical_record":{"source":{"id":"1306.5204","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2013-06-21T18:08:42Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"69b30ebdc6257b62b4a967b4a424e412c5980f7cc93ae6e2bb2ae32ebd2066ff","abstract_canon_sha256":"4538821b9205fe4e4ac04817072946ccd0a0c83db4debe439608cf150e274f76"},"schema_version":"1.0"},"canonical_sha256":"bf5cb9abf4ee05bea43a3d1890c033b9bbda315ac99aafcf9bb75acd9b7a4560","source":{"kind":"arxiv","id":"1306.5204","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.5204","created_at":"2026-05-18T03:20:19Z"},{"alias_kind":"arxiv_version","alias_value":"1306.5204v1","created_at":"2026-05-18T03:20:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.5204","created_at":"2026-05-18T03:20:19Z"},{"alias_kind":"pith_short_12","alias_value":"X5OLTK7U5YC3","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"X5OLTK7U5YC35JB2","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"X5OLTK7U","created_at":"2026-05-18T12:28:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:X5OLTK7U5YC35JB2HUMJBQBTXG","target":"record","payload":{"canonical_record":{"source":{"id":"1306.5204","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2013-06-21T18:08:42Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"69b30ebdc6257b62b4a967b4a424e412c5980f7cc93ae6e2bb2ae32ebd2066ff","abstract_canon_sha256":"4538821b9205fe4e4ac04817072946ccd0a0c83db4debe439608cf150e274f76"},"schema_version":"1.0"},"canonical_sha256":"bf5cb9abf4ee05bea43a3d1890c033b9bbda315ac99aafcf9bb75acd9b7a4560","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:20:19.420587Z","signature_b64":"bFadqgyXJgI2uTksc28HmdP26BfyLk3bkFABYTweKHmXmYPaGt8dF1eP6UoFesrkkLQHCzEm5VWe5P+BSYtIAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf5cb9abf4ee05bea43a3d1890c033b9bbda315ac99aafcf9bb75acd9b7a4560","last_reissued_at":"2026-05-18T03:20:19.419777Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:20:19.419777Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.5204","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":"2026-05-18T03:20:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iMPTC9e+xb+ZI0wF/psZbyuu4EN+XAsfUJQgHpXiHg0T4Elpy/HrXjBBL12r4mgbRKluI/3MIBj0L8P9EppkBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:41:07.967172Z"},"content_sha256":"3b073242fd67ea1894b8e602d96454b99b8b8645b1e224bff767d1d24e1af99f","schema_version":"1.0","event_id":"sha256:3b073242fd67ea1894b8e602d96454b99b8b8645b1e224bff767d1d24e1af99f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:X5OLTK7U5YC35JB2HUMJBQBTXG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Is the Sample Good Enough? Comparing Data from Twitter's Streaming API with Twitter's Firehose","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.soc-ph"],"primary_cat":"cs.SI","authors_text":"Fred Morstatter, Huan Liu, J\\\"urgen Pfeffer, Kathleen M. Carley","submitted_at":"2013-06-21T18:08:42Z","abstract_excerpt":"Twitter is a social media giant famous for the exchange of short, 140-character messages called \"tweets\". In the scientific community, the microblogging site is known for openness in sharing its data. It provides a glance into its millions of users and billions of tweets through a \"Streaming API\" which provides a sample of all tweets matching some parameters preset by the API user. The API service has been used by many researchers, companies, and governmental institutions that want to extract knowledge in accordance with a diverse array of questions pertaining to social media. The essential dr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.5204","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":""},"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":"2026-05-18T03:20:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zWcpKveXmWp52iYP/3YA81RnomTksv4BKFD3RQOIhu+o0WIYdm8j3IdUkqHK7ia3lw/r3crP1S5YPaQEZRDrBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:41:07.967548Z"},"content_sha256":"268fd7b5ce87225d6ca6d3dba4c709ec8fa816a1d01827dbd18d6d57c48f238e","schema_version":"1.0","event_id":"sha256:268fd7b5ce87225d6ca6d3dba4c709ec8fa816a1d01827dbd18d6d57c48f238e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X5OLTK7U5YC35JB2HUMJBQBTXG/bundle.json","state_url":"https://pith.science/pith/X5OLTK7U5YC35JB2HUMJBQBTXG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X5OLTK7U5YC35JB2HUMJBQBTXG/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":"2026-05-30T08:41:07Z","links":{"resolver":"https://pith.science/pith/X5OLTK7U5YC35JB2HUMJBQBTXG","bundle":"https://pith.science/pith/X5OLTK7U5YC35JB2HUMJBQBTXG/bundle.json","state":"https://pith.science/pith/X5OLTK7U5YC35JB2HUMJBQBTXG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X5OLTK7U5YC35JB2HUMJBQBTXG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:X5OLTK7U5YC35JB2HUMJBQBTXG","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":"4538821b9205fe4e4ac04817072946ccd0a0c83db4debe439608cf150e274f76","cross_cats_sorted":["physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2013-06-21T18:08:42Z","title_canon_sha256":"69b30ebdc6257b62b4a967b4a424e412c5980f7cc93ae6e2bb2ae32ebd2066ff"},"schema_version":"1.0","source":{"id":"1306.5204","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.5204","created_at":"2026-05-18T03:20:19Z"},{"alias_kind":"arxiv_version","alias_value":"1306.5204v1","created_at":"2026-05-18T03:20:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.5204","created_at":"2026-05-18T03:20:19Z"},{"alias_kind":"pith_short_12","alias_value":"X5OLTK7U5YC3","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"X5OLTK7U5YC35JB2","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"X5OLTK7U","created_at":"2026-05-18T12:28:06Z"}],"graph_snapshots":[{"event_id":"sha256:268fd7b5ce87225d6ca6d3dba4c709ec8fa816a1d01827dbd18d6d57c48f238e","target":"graph","created_at":"2026-05-18T03:20:19Z","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 is a social media giant famous for the exchange of short, 140-character messages called \"tweets\". In the scientific community, the microblogging site is known for openness in sharing its data. It provides a glance into its millions of users and billions of tweets through a \"Streaming API\" which provides a sample of all tweets matching some parameters preset by the API user. The API service has been used by many researchers, companies, and governmental institutions that want to extract knowledge in accordance with a diverse array of questions pertaining to social media. The essential dr","authors_text":"Fred Morstatter, Huan Liu, J\\\"urgen Pfeffer, Kathleen M. Carley","cross_cats":["physics.soc-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2013-06-21T18:08:42Z","title":"Is the Sample Good Enough? Comparing Data from Twitter's Streaming API with Twitter's Firehose"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.5204","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":"sha256:3b073242fd67ea1894b8e602d96454b99b8b8645b1e224bff767d1d24e1af99f","target":"record","created_at":"2026-05-18T03:20:19Z","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":"4538821b9205fe4e4ac04817072946ccd0a0c83db4debe439608cf150e274f76","cross_cats_sorted":["physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2013-06-21T18:08:42Z","title_canon_sha256":"69b30ebdc6257b62b4a967b4a424e412c5980f7cc93ae6e2bb2ae32ebd2066ff"},"schema_version":"1.0","source":{"id":"1306.5204","kind":"arxiv","version":1}},"canonical_sha256":"bf5cb9abf4ee05bea43a3d1890c033b9bbda315ac99aafcf9bb75acd9b7a4560","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bf5cb9abf4ee05bea43a3d1890c033b9bbda315ac99aafcf9bb75acd9b7a4560","first_computed_at":"2026-05-18T03:20:19.419777Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:20:19.419777Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bFadqgyXJgI2uTksc28HmdP26BfyLk3bkFABYTweKHmXmYPaGt8dF1eP6UoFesrkkLQHCzEm5VWe5P+BSYtIAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:20:19.420587Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.5204","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3b073242fd67ea1894b8e602d96454b99b8b8645b1e224bff767d1d24e1af99f","sha256:268fd7b5ce87225d6ca6d3dba4c709ec8fa816a1d01827dbd18d6d57c48f238e"],"state_sha256":"45dc31df74dbea04dff8343c708735629574748379876d1fa9196f06a1f08715"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vOcZc9O4GkRZl0cWXkZnG5WZVQIgueWcYWptL46XAir0HhxErNtnZZL53zemfRmG1LsHfhXX0mN40iicTDpUAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T08:41:07.969581Z","bundle_sha256":"5f18b701fcf3a5e5a3c91907c966f11a28a5e58a81839c09188de8a80c3ada0d"}}