{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:6VJSZ6OKB4PNTZNGTUWJWFVNHI","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":"b3bdab1a9e4ae26823228e233cfcdc88040b9235ce023472b5a1a5d446fb81d7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-04-16T11:03:50Z","title_canon_sha256":"74fa57f59e872685263bc38ba9c7d5691302d54d9d98787978f992f7227f5c82"},"schema_version":"1.0","source":{"id":"2604.14875","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2604.14875","created_at":"2026-07-14T01:20:59Z"},{"alias_kind":"arxiv_version","alias_value":"2604.14875v2","created_at":"2026-07-14T01:20:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2604.14875","created_at":"2026-07-14T01:20:59Z"},{"alias_kind":"pith_short_12","alias_value":"6VJSZ6OKB4PN","created_at":"2026-07-14T01:20:59Z"},{"alias_kind":"pith_short_16","alias_value":"6VJSZ6OKB4PNTZNG","created_at":"2026-07-14T01:20:59Z"},{"alias_kind":"pith_short_8","alias_value":"6VJSZ6OK","created_at":"2026-07-14T01:20:59Z"}],"graph_snapshots":[{"event_id":"sha256:1e069b43d9a282dc09e7a51502cea21521aa4ffbc13a76330ed873f3c10ed754","target":"graph","created_at":"2026-07-14T01:20:59Z","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":4,"items":[{"attestation":"unclaimed","claim_id":"C1","kind":"strongest_claim","source":"verdict.strongest_claim","status":"machine_extracted","text":"Based on the fractality and efficiency values measured in W43-MM1, the gravo-turbulent model by Thomasson et al. predicts that its fragmentation below ~14 kau is not driven by turbulence but by gravity. [...] the fragment mass function, from which the IMF emerges, has a high-mass end which remains top-heavy."},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"The assumption of self-similarity across scales, allowing parameters measured at larger scales (14 kau to 270 au) to be extrapolated to smaller scales where the model is applied; also that the Thomasson et al. model accurately captures the physics without additional unaccounted processes."},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"Core subfragmentation in W43-MM1 preserves the top-heavy shape of the core mass function, implying it has minimal influence on the origin of the initial mass function."},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"Gravity rather than turbulence drives fragmentation below 14 kau in W43-MM1 and keeps the high-mass end of the fragment mass function top-heavy."}],"snapshot_sha256":"348ec105ab034f6bb1e9d60e1fd9d0aeda7a10c34ddf0311adfb1dba9dc1c9fb"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2604.14875/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We aim to predict how the currently observed top-heavy CMF in the massive protocluster W43-MM1 evolves due to core subfragmentation. We used getsf to extract sources in 5 ALMA images of W43-MM1 at 3mm, with a spatial resolution ranging from 14kau to 270au. Then, we applied FAMILY, a graph-theory-based analysis tool, to create and characterize networks of nested sources in W43-MM1. We compared the hierarchical fragmentation cascade of W43-MM1 to those measured in NGC2264 and in synthetic images of a MHD protocluster. Assuming self-similarity, we measure a small fractality index of F3D = 1.19 +/","authors_text":"A. Ginsburg, A. Gusdorf, A. Koley, A. Men'shchikov, A. M. Stutz, B. Thomasson, D. Panda, E. Moraux, F. A. Olguin, F. Louvet, F. Motte, I. Joncour, J. Salinas, M. Armante, M. Bonfand, M. Gonzalez, M. Valeille-Manet, N. A. Sandoval-Garrido, N. Brouillet, N. Cunningham, N. Le Nestour, P. Dell'Ova, P. Sanhueza, R. Galvan-Madrid, R. H. Alvarez-Gutierrez, R. Veyry, S. Chevalier, T. Csengeri, T. Nony, T. Yoo, Y. Bernard, Y. Pouteau","cross_cats":[],"headline":"Gravity rather than turbulence drives fragmentation below 14 kau in W43-MM1 and keeps the high-mass end of the fragment mass function top-heavy.","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-04-16T11:03:50Z","title":"ALMA-IMF XXII. Role of core subfragmentation in the IMF origin: Hierarchical fragmentation cascade and CMF in W43-MM1"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2604.14875","kind":"arxiv","version":2},"verdict":{"created_at":"2026-05-10T10:49:36.771806Z","id":"9e96281b-fe0a-45d4-a682-06c7142edcdf","model_set":{"reader":"grok-4.3"},"one_line_summary":"Core subfragmentation in W43-MM1 preserves the top-heavy shape of the core mass function, implying it has minimal influence on the origin of the initial mass function.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"Gravity rather than turbulence drives fragmentation below 14 kau in W43-MM1 and keeps the high-mass end of the fragment mass function top-heavy.","strongest_claim":"Based on the fractality and efficiency values measured in W43-MM1, the gravo-turbulent model by Thomasson et al. predicts that its fragmentation below ~14 kau is not driven by turbulence but by gravity. [...] the fragment mass function, from which the IMF emerges, has a high-mass end which remains top-heavy.","weakest_assumption":"The assumption of self-similarity across scales, allowing parameters measured at larger scales (14 kau to 270 au) to be extrapolated to smaller scales where the model is applied; also that the Thomasson et al. model accurately captures the physics without additional unaccounted processes."}},"verdict_id":"9e96281b-fe0a-45d4-a682-06c7142edcdf"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:79d319ba09541adffbb9dbbdb323777c6c3adb18f645dc4cee4adc074b416259","target":"record","created_at":"2026-07-14T01:20:59Z","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":"b3bdab1a9e4ae26823228e233cfcdc88040b9235ce023472b5a1a5d446fb81d7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-04-16T11:03:50Z","title_canon_sha256":"74fa57f59e872685263bc38ba9c7d5691302d54d9d98787978f992f7227f5c82"},"schema_version":"1.0","source":{"id":"2604.14875","kind":"arxiv","version":2}},"canonical_sha256":"f5532cf9ca0f1ed9e5a69d2c9b16ad3a2a55623f9f1b3b773ce3e0657cfa21eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f5532cf9ca0f1ed9e5a69d2c9b16ad3a2a55623f9f1b3b773ce3e0657cfa21eb","first_computed_at":"2026-07-14T01:20:59.143337Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-14T01:20:59.143337Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/5++nHrDGJoKpRdvClBuR2oMfxtxnyn2+66WCyY5byT6zX3YA8VbwZARKNpE9I7o29L629Pa22DmAI1WBtf7AA==","signature_status":"signed_v1","signed_at":"2026-07-14T01:20:59.144348Z","signed_message":"canonical_sha256_bytes"},"source_id":"2604.14875","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:79d319ba09541adffbb9dbbdb323777c6c3adb18f645dc4cee4adc074b416259","sha256:1e069b43d9a282dc09e7a51502cea21521aa4ffbc13a76330ed873f3c10ed754"],"state_sha256":"e8a10578dcb02086b9c773cf6c6da5acd64dd331c93586d84575830cd7cfd689"}