{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:WLVRJ5XMTTP5H7TVALYVBRYJQW","short_pith_number":"pith:WLVRJ5XM","canonical_record":{"source":{"id":"1407.6447","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2014-07-24T04:28:47Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"0a64ecbeb0e7f1414e5b05183ab57d62becc71499174e4aef77c090dd2ecb00d","abstract_canon_sha256":"9b049ca5275258c0a8eeb927313c9dbdcc8aecbc5340ff8f2d7d35ed9f6333b3"},"schema_version":"1.0"},"canonical_sha256":"b2eb14f6ec9cdfd3fe7502f150c70985ae1c99c4dd1e3436146c002c1ec1409b","source":{"kind":"arxiv","id":"1407.6447","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.6447","created_at":"2026-05-18T01:42:32Z"},{"alias_kind":"arxiv_version","alias_value":"1407.6447v2","created_at":"2026-05-18T01:42:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.6447","created_at":"2026-05-18T01:42:32Z"},{"alias_kind":"pith_short_12","alias_value":"WLVRJ5XMTTP5","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WLVRJ5XMTTP5H7TV","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WLVRJ5XM","created_at":"2026-05-18T12:28:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:WLVRJ5XMTTP5H7TVALYVBRYJQW","target":"record","payload":{"canonical_record":{"source":{"id":"1407.6447","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2014-07-24T04:28:47Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"0a64ecbeb0e7f1414e5b05183ab57d62becc71499174e4aef77c090dd2ecb00d","abstract_canon_sha256":"9b049ca5275258c0a8eeb927313c9dbdcc8aecbc5340ff8f2d7d35ed9f6333b3"},"schema_version":"1.0"},"canonical_sha256":"b2eb14f6ec9cdfd3fe7502f150c70985ae1c99c4dd1e3436146c002c1ec1409b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:32.354870Z","signature_b64":"7kzakmb263AuF+dcx8zdMRdQAWYQihFGBhmvDksqAm1LJgyuDewxuNwzykqpnTBndsD008in8rbsKK7dglmXAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b2eb14f6ec9cdfd3fe7502f150c70985ae1c99c4dd1e3436146c002c1ec1409b","last_reissued_at":"2026-05-18T01:42:32.354244Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:32.354244Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.6447","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":"2026-05-18T01:42:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rb79Nmi9I5q6U+ibtALVSQrLT5fN3jtCgCywlVMFAxUatetOm3hIO7gS3pca/mD69VkLjUE+7CJ+9tcJw0s8CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T06:11:33.675414Z"},"content_sha256":"12437cfd3653fd0415ee1a5208e2e9c5ea7f17f00c487cbe0d236a137c464c11","schema_version":"1.0","event_id":"sha256:12437cfd3653fd0415ee1a5208e2e9c5ea7f17f00c487cbe0d236a137c464c11"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:WLVRJ5XMTTP5H7TVALYVBRYJQW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Self-organization on social media: endo-exo bursts and baseline fluctuations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.soc-ph"],"primary_cat":"cs.SI","authors_text":"Mizuki Oka, Takashi Ikegami, Yasuhiro Hashimoto","submitted_at":"2014-07-24T04:28:47Z","abstract_excerpt":"A salient dynamic property of social media is bursting behavior. In this paper, we study bursting behavior in terms of the temporal relation between a preceding baseline fluctuation and the successive burst response using a frequency time series of 3,000 keywords on Twitter. We found that there is a fluctuation threshold up to which the burst size increases as the fluctuation increases and that above the threshold, there appears a variety of burst sizes. We call this threshold the critical threshold. Investigating this threshold in relation to endogenous bursts and exogenous bursts based on pe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.6447","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":"2026-05-18T01:42:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7SjALOuatFW00J14ye6P6FXb5FvBdN4lgTi7Sqe6YcL8D/pTZWF7YgvNFKsWXrXmEnR+XWi+/f8pvwT/GpwxAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T06:11:33.676069Z"},"content_sha256":"205520730fde0ab8ded806937cb63d94387ff68c068dddbe423208ebd4d89076","schema_version":"1.0","event_id":"sha256:205520730fde0ab8ded806937cb63d94387ff68c068dddbe423208ebd4d89076"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WLVRJ5XMTTP5H7TVALYVBRYJQW/bundle.json","state_url":"https://pith.science/pith/WLVRJ5XMTTP5H7TVALYVBRYJQW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WLVRJ5XMTTP5H7TVALYVBRYJQW/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":"2026-05-27T06:11:33Z","links":{"resolver":"https://pith.science/pith/WLVRJ5XMTTP5H7TVALYVBRYJQW","bundle":"https://pith.science/pith/WLVRJ5XMTTP5H7TVALYVBRYJQW/bundle.json","state":"https://pith.science/pith/WLVRJ5XMTTP5H7TVALYVBRYJQW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WLVRJ5XMTTP5H7TVALYVBRYJQW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:WLVRJ5XMTTP5H7TVALYVBRYJQW","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":"9b049ca5275258c0a8eeb927313c9dbdcc8aecbc5340ff8f2d7d35ed9f6333b3","cross_cats_sorted":["physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2014-07-24T04:28:47Z","title_canon_sha256":"0a64ecbeb0e7f1414e5b05183ab57d62becc71499174e4aef77c090dd2ecb00d"},"schema_version":"1.0","source":{"id":"1407.6447","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.6447","created_at":"2026-05-18T01:42:32Z"},{"alias_kind":"arxiv_version","alias_value":"1407.6447v2","created_at":"2026-05-18T01:42:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.6447","created_at":"2026-05-18T01:42:32Z"},{"alias_kind":"pith_short_12","alias_value":"WLVRJ5XMTTP5","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WLVRJ5XMTTP5H7TV","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WLVRJ5XM","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:205520730fde0ab8ded806937cb63d94387ff68c068dddbe423208ebd4d89076","target":"graph","created_at":"2026-05-18T01:42:32Z","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":"A salient dynamic property of social media is bursting behavior. In this paper, we study bursting behavior in terms of the temporal relation between a preceding baseline fluctuation and the successive burst response using a frequency time series of 3,000 keywords on Twitter. We found that there is a fluctuation threshold up to which the burst size increases as the fluctuation increases and that above the threshold, there appears a variety of burst sizes. We call this threshold the critical threshold. Investigating this threshold in relation to endogenous bursts and exogenous bursts based on pe","authors_text":"Mizuki Oka, Takashi Ikegami, Yasuhiro Hashimoto","cross_cats":["physics.soc-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2014-07-24T04:28:47Z","title":"Self-organization on social media: endo-exo bursts and baseline fluctuations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.6447","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":"sha256:12437cfd3653fd0415ee1a5208e2e9c5ea7f17f00c487cbe0d236a137c464c11","target":"record","created_at":"2026-05-18T01:42:32Z","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":"9b049ca5275258c0a8eeb927313c9dbdcc8aecbc5340ff8f2d7d35ed9f6333b3","cross_cats_sorted":["physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2014-07-24T04:28:47Z","title_canon_sha256":"0a64ecbeb0e7f1414e5b05183ab57d62becc71499174e4aef77c090dd2ecb00d"},"schema_version":"1.0","source":{"id":"1407.6447","kind":"arxiv","version":2}},"canonical_sha256":"b2eb14f6ec9cdfd3fe7502f150c70985ae1c99c4dd1e3436146c002c1ec1409b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b2eb14f6ec9cdfd3fe7502f150c70985ae1c99c4dd1e3436146c002c1ec1409b","first_computed_at":"2026-05-18T01:42:32.354244Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:32.354244Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7kzakmb263AuF+dcx8zdMRdQAWYQihFGBhmvDksqAm1LJgyuDewxuNwzykqpnTBndsD008in8rbsKK7dglmXAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:32.354870Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.6447","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:12437cfd3653fd0415ee1a5208e2e9c5ea7f17f00c487cbe0d236a137c464c11","sha256:205520730fde0ab8ded806937cb63d94387ff68c068dddbe423208ebd4d89076"],"state_sha256":"7d6781069f5dd027b78b1b2cec3c51ec32d12704914aa175a5cabe6b75e61ccf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x5CfB0wBIsGLj8dFRLpJWxFqU/v3jS+MQ+Aj/8N+oiDkOFOJXmDoEz4zgcLlGTfjRsDFxYQgHlASdQtr06FHBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T06:11:33.679997Z","bundle_sha256":"446f435b78409cafbfb7615f977fff1d29f41605bf61a8d349621313abd1c4ee"}}