{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:KFVX5HHJSY5I76UCPASMTPX7CC","short_pith_number":"pith:KFVX5HHJ","canonical_record":{"source":{"id":"2605.25055","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2026-05-24T13:04:24Z","cross_cats_sorted":["cs.SI","physics.soc-ph"],"title_canon_sha256":"6d83e5c5e53f0ee386645cee2f22113d10521c9cd5017dc84f14893e09d751b6","abstract_canon_sha256":"d038dfbda1cdc0d7f35a574a3f29893b342c7448ce7f326d23239cef9f11b151"},"schema_version":"1.0"},"canonical_sha256":"516b7e9ce9963a8ffa827824c9beff10955b29378e30c4672a271e35a84f581c","source":{"kind":"arxiv","id":"2605.25055","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.25055","created_at":"2026-05-26T02:03:37Z"},{"alias_kind":"arxiv_version","alias_value":"2605.25055v1","created_at":"2026-05-26T02:03:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.25055","created_at":"2026-05-26T02:03:37Z"},{"alias_kind":"pith_short_12","alias_value":"KFVX5HHJSY5I","created_at":"2026-05-26T02:03:37Z"},{"alias_kind":"pith_short_16","alias_value":"KFVX5HHJSY5I76UC","created_at":"2026-05-26T02:03:37Z"},{"alias_kind":"pith_short_8","alias_value":"KFVX5HHJ","created_at":"2026-05-26T02:03:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:KFVX5HHJSY5I76UCPASMTPX7CC","target":"record","payload":{"canonical_record":{"source":{"id":"2605.25055","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2026-05-24T13:04:24Z","cross_cats_sorted":["cs.SI","physics.soc-ph"],"title_canon_sha256":"6d83e5c5e53f0ee386645cee2f22113d10521c9cd5017dc84f14893e09d751b6","abstract_canon_sha256":"d038dfbda1cdc0d7f35a574a3f29893b342c7448ce7f326d23239cef9f11b151"},"schema_version":"1.0"},"canonical_sha256":"516b7e9ce9963a8ffa827824c9beff10955b29378e30c4672a271e35a84f581c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-26T02:03:37.718024Z","signature_b64":"6xB9v5cmoLrikRhgUgeDbcJGbRLBfgV6607rqu84Bl6JcaTqO1Ui8FN4xhsm0ilPhZnUf/Au3nVV+gPj+s1ICA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"516b7e9ce9963a8ffa827824c9beff10955b29378e30c4672a271e35a84f581c","last_reissued_at":"2026-05-26T02:03:37.717199Z","signature_status":"signed_v1","first_computed_at":"2026-05-26T02:03:37.717199Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.25055","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":"2026-05-26T02:03:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y47nrvdU9v41rJalmlgKF+qd9CxRzWXisFTw5cHaILJoxSw74Xpq0wY6scpPjH8gNB/Ud4o861d1V0uV+cw1BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T01:22:55.591327Z"},"content_sha256":"e79b2f9bd357dd02649373566013410882f719f07988d366fc6e95e877b76821","schema_version":"1.0","event_id":"sha256:e79b2f9bd357dd02649373566013410882f719f07988d366fc6e95e877b76821"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:KFVX5HHJSY5I76UCPASMTPX7CC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Building Digital Societies as Ecosystems: How Recognition and Repeat Relationships Sustain Cross-Community Work in Open Source","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.SI","physics.soc-ph"],"primary_cat":"cs.CY","authors_text":"Alain Mermoud, Julian Jang-Jaccard, Lucia Gomez Tejeiro, Thibaut Chataing, Thomas Maillart","submitted_at":"2026-05-24T13:04:24Z","abstract_excerpt":"We measure cross-boundary collaboration in an open-source software (OSS) ecosystem by reconstructing the bipartite contributor-repository graph of 464 cybersecurity projects and 11,372 contributors active over October 2001-May 2022 (Rawsec Cybersecurity Inventory). Louvain community detection identifies 163 non-singleton communities; per-community contributor count scales superlinearly with repository count (n_contributors ~ n_repos^1.4), and community formation follows a logistic trajectory saturating around 2018. Three patterns support a recognition/repeat-relationship account of cross-bound"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.25055","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.25055/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":"2026-05-26T02:03:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wCtAqo4JmX/eSphM5BlkLU2dGk+Hvq59aK47akqCXQw9vkaao7e01bfvljY7pmsUTrBnyA/dB0N0Hq1jX7S3BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T01:22:55.592132Z"},"content_sha256":"77ad1409205caf0d03f5bf35734e4c41e2d381d2ed1ab02079263098f95d29d8","schema_version":"1.0","event_id":"sha256:77ad1409205caf0d03f5bf35734e4c41e2d381d2ed1ab02079263098f95d29d8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KFVX5HHJSY5I76UCPASMTPX7CC/bundle.json","state_url":"https://pith.science/pith/KFVX5HHJSY5I76UCPASMTPX7CC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KFVX5HHJSY5I76UCPASMTPX7CC/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":"2026-06-10T01:22:55Z","links":{"resolver":"https://pith.science/pith/KFVX5HHJSY5I76UCPASMTPX7CC","bundle":"https://pith.science/pith/KFVX5HHJSY5I76UCPASMTPX7CC/bundle.json","state":"https://pith.science/pith/KFVX5HHJSY5I76UCPASMTPX7CC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KFVX5HHJSY5I76UCPASMTPX7CC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:KFVX5HHJSY5I76UCPASMTPX7CC","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":"d038dfbda1cdc0d7f35a574a3f29893b342c7448ce7f326d23239cef9f11b151","cross_cats_sorted":["cs.SI","physics.soc-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2026-05-24T13:04:24Z","title_canon_sha256":"6d83e5c5e53f0ee386645cee2f22113d10521c9cd5017dc84f14893e09d751b6"},"schema_version":"1.0","source":{"id":"2605.25055","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.25055","created_at":"2026-05-26T02:03:37Z"},{"alias_kind":"arxiv_version","alias_value":"2605.25055v1","created_at":"2026-05-26T02:03:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.25055","created_at":"2026-05-26T02:03:37Z"},{"alias_kind":"pith_short_12","alias_value":"KFVX5HHJSY5I","created_at":"2026-05-26T02:03:37Z"},{"alias_kind":"pith_short_16","alias_value":"KFVX5HHJSY5I76UC","created_at":"2026-05-26T02:03:37Z"},{"alias_kind":"pith_short_8","alias_value":"KFVX5HHJ","created_at":"2026-05-26T02:03:37Z"}],"graph_snapshots":[{"event_id":"sha256:77ad1409205caf0d03f5bf35734e4c41e2d381d2ed1ab02079263098f95d29d8","target":"graph","created_at":"2026-05-26T02:03:37Z","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/2605.25055/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We measure cross-boundary collaboration in an open-source software (OSS) ecosystem by reconstructing the bipartite contributor-repository graph of 464 cybersecurity projects and 11,372 contributors active over October 2001-May 2022 (Rawsec Cybersecurity Inventory). Louvain community detection identifies 163 non-singleton communities; per-community contributor count scales superlinearly with repository count (n_contributors ~ n_repos^1.4), and community formation follows a logistic trajectory saturating around 2018. Three patterns support a recognition/repeat-relationship account of cross-bound","authors_text":"Alain Mermoud, Julian Jang-Jaccard, Lucia Gomez Tejeiro, Thibaut Chataing, Thomas Maillart","cross_cats":["cs.SI","physics.soc-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2026-05-24T13:04:24Z","title":"Building Digital Societies as Ecosystems: How Recognition and Repeat Relationships Sustain Cross-Community Work in Open Source"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.25055","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:e79b2f9bd357dd02649373566013410882f719f07988d366fc6e95e877b76821","target":"record","created_at":"2026-05-26T02:03:37Z","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":"d038dfbda1cdc0d7f35a574a3f29893b342c7448ce7f326d23239cef9f11b151","cross_cats_sorted":["cs.SI","physics.soc-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2026-05-24T13:04:24Z","title_canon_sha256":"6d83e5c5e53f0ee386645cee2f22113d10521c9cd5017dc84f14893e09d751b6"},"schema_version":"1.0","source":{"id":"2605.25055","kind":"arxiv","version":1}},"canonical_sha256":"516b7e9ce9963a8ffa827824c9beff10955b29378e30c4672a271e35a84f581c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"516b7e9ce9963a8ffa827824c9beff10955b29378e30c4672a271e35a84f581c","first_computed_at":"2026-05-26T02:03:37.717199Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-26T02:03:37.717199Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6xB9v5cmoLrikRhgUgeDbcJGbRLBfgV6607rqu84Bl6JcaTqO1Ui8FN4xhsm0ilPhZnUf/Au3nVV+gPj+s1ICA==","signature_status":"signed_v1","signed_at":"2026-05-26T02:03:37.718024Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.25055","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e79b2f9bd357dd02649373566013410882f719f07988d366fc6e95e877b76821","sha256:77ad1409205caf0d03f5bf35734e4c41e2d381d2ed1ab02079263098f95d29d8"],"state_sha256":"a60e341e2542838c9106d8397e732a22275ad7b8d3fb3946e1039fa68b7b8ef7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gh0UblE2EIqx2MwIV7rcFoLKyDQ8L3WXWEQZF4BEcXOvgiK/Ri8gAYayAX2pYQZBButowq1OPK61lfP6j1iqCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T01:22:55.597423Z","bundle_sha256":"4a527d029ad5655d46fe7dd46fe45642fbc8d8edb8c9d3744e660d3b4ad4c521"}}