{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:AMWGAAEAAVQMDTU7QRYZWYHUQ7","short_pith_number":"pith:AMWGAAEA","canonical_record":{"source":{"id":"0906.3287","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2009-06-17T23:11:56Z","cross_cats_sorted":["nlin.AO","physics.data-an","stat.AP"],"title_canon_sha256":"1baab375a71f5e821f1b5a1b20c86c4cd991731a7ef1ecf3f58caa4870f3d929","abstract_canon_sha256":"3467811fad8191b13bc03d1b033007cfb820b788c14ea1d8e1cc51090ee573fd"},"schema_version":"1.0"},"canonical_sha256":"032c6000800560c1ce9f84719b60f487f41a50dc03f3e9f60a4ee56b27b77737","source":{"kind":"arxiv","id":"0906.3287","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.3287","created_at":"2026-05-18T03:40:14Z"},{"alias_kind":"arxiv_version","alias_value":"0906.3287v3","created_at":"2026-05-18T03:40:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.3287","created_at":"2026-05-18T03:40:14Z"},{"alias_kind":"pith_short_12","alias_value":"AMWGAAEAAVQM","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"AMWGAAEAAVQMDTU7","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"AMWGAAEA","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:AMWGAAEAAVQMDTU7QRYZWYHUQ7","target":"record","payload":{"canonical_record":{"source":{"id":"0906.3287","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2009-06-17T23:11:56Z","cross_cats_sorted":["nlin.AO","physics.data-an","stat.AP"],"title_canon_sha256":"1baab375a71f5e821f1b5a1b20c86c4cd991731a7ef1ecf3f58caa4870f3d929","abstract_canon_sha256":"3467811fad8191b13bc03d1b033007cfb820b788c14ea1d8e1cc51090ee573fd"},"schema_version":"1.0"},"canonical_sha256":"032c6000800560c1ce9f84719b60f487f41a50dc03f3e9f60a4ee56b27b77737","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:40:14.842088Z","signature_b64":"1hWmQBDWAzN8x/5CIGdhBW0m5FIvFvpbbjwH42XHHWJ7Q1YR+vVUwMr91AgTEhBeQdlldDFT3f+V0x724+a4Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"032c6000800560c1ce9f84719b60f487f41a50dc03f3e9f60a4ee56b27b77737","last_reissued_at":"2026-05-18T03:40:14.841351Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:40:14.841351Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0906.3287","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:40:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pxvaui+/PC1gStTJuPnwKG1hhyjnQTR6FQe2sui86UA+sSfDuLhziuHrA4jlsiXz0EsZ0tT5TLQ4ge9s5lcSBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:22:17.013750Z"},"content_sha256":"935a2da19c816458cef204e7964b2967dcf88aa5dc1f41d2bcaa8181220eb7a4","schema_version":"1.0","event_id":"sha256:935a2da19c816458cef204e7964b2967dcf88aa5dc1f41d2bcaa8181220eb7a4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:AMWGAAEAAVQMDTU7QRYZWYHUQ7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The developmental dynamics of terrorist organizations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nlin.AO","physics.data-an","stat.AP"],"primary_cat":"physics.soc-ph","authors_text":"Aaron Clauset, Kristian Skrede Gleditsch","submitted_at":"2009-06-17T23:11:56Z","abstract_excerpt":"We identify robust statistical patterns in the frequency and severity of violent attacks by terrorist organizations as they grow and age. Using group-level static and dynamic analyses of terrorist events worldwide from 1968-2008 and a simulation model of organizational dynamics, we show that the production of violent events tends to accelerate with increasing size and experience. This coupling of frequency, experience and size arises from a fundamental positive feedback loop in which attacks lead to growth which leads to increased production of new attacks. In contrast, event severity is indep"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.3287","kind":"arxiv","version":3},"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":"2026-05-18T03:40:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cPTRH3bp95au7vnofozuToaeTM2hG2fbJG1Vf+2w/ddpPNDgSaRL849Y84l1xBF7K0r+yJzyzzrltQsUvKuzCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:22:17.014411Z"},"content_sha256":"33f71b9f3c252a822e8fe7af1bab1e9a6138a7b9766f48170f184db96a409f70","schema_version":"1.0","event_id":"sha256:33f71b9f3c252a822e8fe7af1bab1e9a6138a7b9766f48170f184db96a409f70"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AMWGAAEAAVQMDTU7QRYZWYHUQ7/bundle.json","state_url":"https://pith.science/pith/AMWGAAEAAVQMDTU7QRYZWYHUQ7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AMWGAAEAAVQMDTU7QRYZWYHUQ7/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":"2026-05-26T23:22:17Z","links":{"resolver":"https://pith.science/pith/AMWGAAEAAVQMDTU7QRYZWYHUQ7","bundle":"https://pith.science/pith/AMWGAAEAAVQMDTU7QRYZWYHUQ7/bundle.json","state":"https://pith.science/pith/AMWGAAEAAVQMDTU7QRYZWYHUQ7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AMWGAAEAAVQMDTU7QRYZWYHUQ7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:AMWGAAEAAVQMDTU7QRYZWYHUQ7","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":"3467811fad8191b13bc03d1b033007cfb820b788c14ea1d8e1cc51090ee573fd","cross_cats_sorted":["nlin.AO","physics.data-an","stat.AP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2009-06-17T23:11:56Z","title_canon_sha256":"1baab375a71f5e821f1b5a1b20c86c4cd991731a7ef1ecf3f58caa4870f3d929"},"schema_version":"1.0","source":{"id":"0906.3287","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.3287","created_at":"2026-05-18T03:40:14Z"},{"alias_kind":"arxiv_version","alias_value":"0906.3287v3","created_at":"2026-05-18T03:40:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.3287","created_at":"2026-05-18T03:40:14Z"},{"alias_kind":"pith_short_12","alias_value":"AMWGAAEAAVQM","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"AMWGAAEAAVQMDTU7","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"AMWGAAEA","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:33f71b9f3c252a822e8fe7af1bab1e9a6138a7b9766f48170f184db96a409f70","target":"graph","created_at":"2026-05-18T03:40:14Z","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":"We identify robust statistical patterns in the frequency and severity of violent attacks by terrorist organizations as they grow and age. Using group-level static and dynamic analyses of terrorist events worldwide from 1968-2008 and a simulation model of organizational dynamics, we show that the production of violent events tends to accelerate with increasing size and experience. This coupling of frequency, experience and size arises from a fundamental positive feedback loop in which attacks lead to growth which leads to increased production of new attacks. In contrast, event severity is indep","authors_text":"Aaron Clauset, Kristian Skrede Gleditsch","cross_cats":["nlin.AO","physics.data-an","stat.AP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2009-06-17T23:11:56Z","title":"The developmental dynamics of terrorist organizations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.3287","kind":"arxiv","version":3},"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":"sha256:935a2da19c816458cef204e7964b2967dcf88aa5dc1f41d2bcaa8181220eb7a4","target":"record","created_at":"2026-05-18T03:40:14Z","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":"3467811fad8191b13bc03d1b033007cfb820b788c14ea1d8e1cc51090ee573fd","cross_cats_sorted":["nlin.AO","physics.data-an","stat.AP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2009-06-17T23:11:56Z","title_canon_sha256":"1baab375a71f5e821f1b5a1b20c86c4cd991731a7ef1ecf3f58caa4870f3d929"},"schema_version":"1.0","source":{"id":"0906.3287","kind":"arxiv","version":3}},"canonical_sha256":"032c6000800560c1ce9f84719b60f487f41a50dc03f3e9f60a4ee56b27b77737","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"032c6000800560c1ce9f84719b60f487f41a50dc03f3e9f60a4ee56b27b77737","first_computed_at":"2026-05-18T03:40:14.841351Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:40:14.841351Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1hWmQBDWAzN8x/5CIGdhBW0m5FIvFvpbbjwH42XHHWJ7Q1YR+vVUwMr91AgTEhBeQdlldDFT3f+V0x724+a4Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:40:14.842088Z","signed_message":"canonical_sha256_bytes"},"source_id":"0906.3287","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:935a2da19c816458cef204e7964b2967dcf88aa5dc1f41d2bcaa8181220eb7a4","sha256:33f71b9f3c252a822e8fe7af1bab1e9a6138a7b9766f48170f184db96a409f70"],"state_sha256":"1b0297ec13c9e991203766ae7499e0e527cf41b91462df61ce97d9fbb42adf97"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kPXM0/GDR19nNK7r6fGDamDeCqbS836mvIFcMo38kXINuot/3gub29UVeEUCJZjmzSn2IbDGvAZNoCij9oPIDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T23:22:17.017807Z","bundle_sha256":"73f7de9406549f3e8e796e33ec4ed108bc204dd2a9fc35cf21a4b942a93771e8"}}