{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:VFY3Y55R4M4BUK4ME5BLZTBSAQ","short_pith_number":"pith:VFY3Y55R","canonical_record":{"source":{"id":"2607.12607","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-14T10:35:20Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"8c338dfb1bdbd14074e8279c0b3bcec9eaa945588b705ed1c0535e82e821d88f","abstract_canon_sha256":"3c016a92c39226307ef4a6f503d660d66a9eab8f62f3d3b00e37ce93ae16bb10"},"schema_version":"1.0"},"canonical_sha256":"a971bc77b1e3381a2b8c2742bccc320424b47a63588bd5751c1c6092c42b2135","source":{"kind":"arxiv","id":"2607.12607","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.12607","created_at":"2026-07-15T01:22:06Z"},{"alias_kind":"arxiv_version","alias_value":"2607.12607v1","created_at":"2026-07-15T01:22:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.12607","created_at":"2026-07-15T01:22:06Z"},{"alias_kind":"pith_short_12","alias_value":"VFY3Y55R4M4B","created_at":"2026-07-15T01:22:06Z"},{"alias_kind":"pith_short_16","alias_value":"VFY3Y55R4M4BUK4M","created_at":"2026-07-15T01:22:06Z"},{"alias_kind":"pith_short_8","alias_value":"VFY3Y55R","created_at":"2026-07-15T01:22:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:VFY3Y55R4M4BUK4ME5BLZTBSAQ","target":"record","payload":{"canonical_record":{"source":{"id":"2607.12607","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-14T10:35:20Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"8c338dfb1bdbd14074e8279c0b3bcec9eaa945588b705ed1c0535e82e821d88f","abstract_canon_sha256":"3c016a92c39226307ef4a6f503d660d66a9eab8f62f3d3b00e37ce93ae16bb10"},"schema_version":"1.0"},"canonical_sha256":"a971bc77b1e3381a2b8c2742bccc320424b47a63588bd5751c1c6092c42b2135","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-15T01:22:06.486075Z","signature_b64":"ICuGETFk2M6u/aLOHlkudSm2bboHygMl4FVuRI5Tl73Qbp1A7O4zDyFIGyc9993V6QD7I/KDMBE+drN6XQphAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a971bc77b1e3381a2b8c2742bccc320424b47a63588bd5751c1c6092c42b2135","last_reissued_at":"2026-07-15T01:22:06.485264Z","signature_status":"signed_v1","first_computed_at":"2026-07-15T01:22:06.485264Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.12607","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":"2026-07-15T01:22:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"djw/pD6r0C4wREGqfX80XyFjL4FnMBgv7tYCe2RG3Ys1A8gKalchB3ITtfUsSEXRerkYcDLfSx3856uNiTPvAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T06:00:40.703199Z"},"content_sha256":"ba0f629a0d0afdbde95a5fd183a3ba8050842d3cc7811d543338b3f2be6063db","schema_version":"1.0","event_id":"sha256:ba0f629a0d0afdbde95a5fd183a3ba8050842d3cc7811d543338b3f2be6063db"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:VFY3Y55R4M4BUK4ME5BLZTBSAQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Three Hundred project: Low Gas Fraction Clusters properties and their environment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Antonio Ferragamo, Elena Rasia, Francesco Guidi, Gustavo Yepes, Hippolyte Froget, Marco De Petris, Raphael Wicker, Sara Santoni, Stefano Andreon, Weiguang Cui","submitted_at":"2026-07-14T10:35:20Z","abstract_excerpt":"Galaxy cluster samples based on X-ray and Sunyaev-Zel'dovich (SZ) observations are affected by selection biases. These catalogs preferentially include systems with high gas content and surface brightness. Excluding objects with depleted gas content, low-gas-fraction clusters (LGFCs), could lead to an incomplete sampling. We aim to investigate the abundance and the properties of the LGFCs population using The Three Hundred hydrodynamical simulations, focusing on the Gadget-X code. In particular, we study outliers in the $f_{\\mathrm{g},500} - M_{500}$ relation, environmental influences, and thei"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.12607","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/2607.12607/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":"2026-07-15T01:22:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5HSDSmvYQg8aUTosA39Cd8ZfbqFkZEiSoXe10ztNg07Wr0XOTkctWNQ9MleegvQfmhOpm78OInR4e5XeG9n3Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T06:00:40.703716Z"},"content_sha256":"c862f5bd609b1390b5130750783222db0ebc133133b812f087450058e3f09b01","schema_version":"1.0","event_id":"sha256:c862f5bd609b1390b5130750783222db0ebc133133b812f087450058e3f09b01"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VFY3Y55R4M4BUK4ME5BLZTBSAQ/bundle.json","state_url":"https://pith.science/pith/VFY3Y55R4M4BUK4ME5BLZTBSAQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VFY3Y55R4M4BUK4ME5BLZTBSAQ/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":"2026-08-06T06:00:40Z","links":{"resolver":"https://pith.science/pith/VFY3Y55R4M4BUK4ME5BLZTBSAQ","bundle":"https://pith.science/pith/VFY3Y55R4M4BUK4ME5BLZTBSAQ/bundle.json","state":"https://pith.science/pith/VFY3Y55R4M4BUK4ME5BLZTBSAQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VFY3Y55R4M4BUK4ME5BLZTBSAQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:VFY3Y55R4M4BUK4ME5BLZTBSAQ","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":"3c016a92c39226307ef4a6f503d660d66a9eab8f62f3d3b00e37ce93ae16bb10","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-14T10:35:20Z","title_canon_sha256":"8c338dfb1bdbd14074e8279c0b3bcec9eaa945588b705ed1c0535e82e821d88f"},"schema_version":"1.0","source":{"id":"2607.12607","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.12607","created_at":"2026-07-15T01:22:06Z"},{"alias_kind":"arxiv_version","alias_value":"2607.12607v1","created_at":"2026-07-15T01:22:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.12607","created_at":"2026-07-15T01:22:06Z"},{"alias_kind":"pith_short_12","alias_value":"VFY3Y55R4M4B","created_at":"2026-07-15T01:22:06Z"},{"alias_kind":"pith_short_16","alias_value":"VFY3Y55R4M4BUK4M","created_at":"2026-07-15T01:22:06Z"},{"alias_kind":"pith_short_8","alias_value":"VFY3Y55R","created_at":"2026-07-15T01:22:06Z"}],"graph_snapshots":[{"event_id":"sha256:c862f5bd609b1390b5130750783222db0ebc133133b812f087450058e3f09b01","target":"graph","created_at":"2026-07-15T01:22:06Z","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/2607.12607/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Galaxy cluster samples based on X-ray and Sunyaev-Zel'dovich (SZ) observations are affected by selection biases. These catalogs preferentially include systems with high gas content and surface brightness. Excluding objects with depleted gas content, low-gas-fraction clusters (LGFCs), could lead to an incomplete sampling. We aim to investigate the abundance and the properties of the LGFCs population using The Three Hundred hydrodynamical simulations, focusing on the Gadget-X code. In particular, we study outliers in the $f_{\\mathrm{g},500} - M_{500}$ relation, environmental influences, and thei","authors_text":"Antonio Ferragamo, Elena Rasia, Francesco Guidi, Gustavo Yepes, Hippolyte Froget, Marco De Petris, Raphael Wicker, Sara Santoni, Stefano Andreon, Weiguang Cui","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-14T10:35:20Z","title":"The Three Hundred project: Low Gas Fraction Clusters properties and their environment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.12607","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:ba0f629a0d0afdbde95a5fd183a3ba8050842d3cc7811d543338b3f2be6063db","target":"record","created_at":"2026-07-15T01:22:06Z","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":"3c016a92c39226307ef4a6f503d660d66a9eab8f62f3d3b00e37ce93ae16bb10","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-14T10:35:20Z","title_canon_sha256":"8c338dfb1bdbd14074e8279c0b3bcec9eaa945588b705ed1c0535e82e821d88f"},"schema_version":"1.0","source":{"id":"2607.12607","kind":"arxiv","version":1}},"canonical_sha256":"a971bc77b1e3381a2b8c2742bccc320424b47a63588bd5751c1c6092c42b2135","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a971bc77b1e3381a2b8c2742bccc320424b47a63588bd5751c1c6092c42b2135","first_computed_at":"2026-07-15T01:22:06.485264Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-15T01:22:06.485264Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ICuGETFk2M6u/aLOHlkudSm2bboHygMl4FVuRI5Tl73Qbp1A7O4zDyFIGyc9993V6QD7I/KDMBE+drN6XQphAA==","signature_status":"signed_v1","signed_at":"2026-07-15T01:22:06.486075Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.12607","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ba0f629a0d0afdbde95a5fd183a3ba8050842d3cc7811d543338b3f2be6063db","sha256:c862f5bd609b1390b5130750783222db0ebc133133b812f087450058e3f09b01"],"state_sha256":"fbacbc06d2d14d0afd8bddf9831dbdd7d1b5c29bcbcdfc8ce9dd10fdb7018ddd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y5ynDdOY3JG3r3RjEF7esgp3SAqdoiQDzJDZ0+qAhWBeCtuKyj1kFgyhsoz3bGi2cGO+fPtDHTvzrXltjXB0BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T06:00:40.709878Z","bundle_sha256":"8f2250e836cc39a02587cb5bb2e37ad421ad08b71315684c6ab5d1ead4f0c331"}}