{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:FWH7ZILRG6XR5OJ2KHUFLFXMW7","short_pith_number":"pith:FWH7ZILR","canonical_record":{"source":{"id":"2602.20733","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-02-24T09:57:26Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"45946b9dca9c937838f31d50af27dbaba121bca76a23059fb2c92d32ceabfa00","abstract_canon_sha256":"1133890e7398c65ddfafe33e85f790a5fa9b89f36fff0bb43bf89e7936c39887"},"schema_version":"1.0"},"canonical_sha256":"2d8ffca17137af1eb93a51e85596ecb7d18a5568c5051e8abb39edfe071640ea","source":{"kind":"arxiv","id":"2602.20733","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.20733","created_at":"2026-07-23T01:24:23Z"},{"alias_kind":"arxiv_version","alias_value":"2602.20733v2","created_at":"2026-07-23T01:24:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.20733","created_at":"2026-07-23T01:24:23Z"},{"alias_kind":"pith_short_12","alias_value":"FWH7ZILRG6XR","created_at":"2026-07-23T01:24:23Z"},{"alias_kind":"pith_short_16","alias_value":"FWH7ZILRG6XR5OJ2","created_at":"2026-07-23T01:24:23Z"},{"alias_kind":"pith_short_8","alias_value":"FWH7ZILR","created_at":"2026-07-23T01:24:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:FWH7ZILRG6XR5OJ2KHUFLFXMW7","target":"record","payload":{"canonical_record":{"source":{"id":"2602.20733","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-02-24T09:57:26Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"45946b9dca9c937838f31d50af27dbaba121bca76a23059fb2c92d32ceabfa00","abstract_canon_sha256":"1133890e7398c65ddfafe33e85f790a5fa9b89f36fff0bb43bf89e7936c39887"},"schema_version":"1.0"},"canonical_sha256":"2d8ffca17137af1eb93a51e85596ecb7d18a5568c5051e8abb39edfe071640ea","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-23T01:24:23.700887Z","signature_b64":"CVTz072EE3jPwJ8tvWaL1MJu752s2E4kTlizZP7XRIQOG5qPQ2nA15Ao3c0JXaip8uo/26W0HJqqEEgYUjI8BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2d8ffca17137af1eb93a51e85596ecb7d18a5568c5051e8abb39edfe071640ea","last_reissued_at":"2026-07-23T01:24:23.699961Z","signature_status":"signed_v1","first_computed_at":"2026-07-23T01:24:23.699961Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2602.20733","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":"2026-07-23T01:24:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jxCyXUElAa0WWzKnnqKPBEWuQL3byfdZmTsJ4Yc+dq0iE1jaGNC/HnvXrVhYJ+5UZYtRI9gwpT4c3l7DXK00Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T09:06:23.002344Z"},"content_sha256":"265dd9f755b8333f414bfec8e50d9041bdb3556b3e88ea235b4b99450413d2fb","schema_version":"1.0","event_id":"sha256:265dd9f755b8333f414bfec8e50d9041bdb3556b3e88ea235b4b99450413d2fb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:FWH7ZILRG6XR5OJ2KHUFLFXMW7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Galaxy evolution in the cosmic web: the relative impact of nodes and filaments in the EAGLE simulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Apashanka Das, Biswajit Pandey, Suman Sarkar","submitted_at":"2026-02-24T09:57:26Z","abstract_excerpt":"Galaxies evolve within the intricate geometry of the cosmic web, yet the distinct roles of its primary components - nodes and filaments remain incompletely understood. Using the EAGLE cosmological hydrodynamical simulation, we investigate how distances to filament spines and cluster-scale nodes jointly and independently influence galaxy evolution. Galaxies are classified into red, green, and blue populations through a fully data-driven entropic thresholding technique, and the nodes and filaments are identified using DisPerSE. We find that red galaxies preferentially reside near filament cores "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.20733","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2602.20733/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":"2026-07-23T01:24:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z00zpubCrP59FKOEpjDpdKkN+4XkbkRsVuXX8C13cPJCt+0RBb6UeE89dWWz70pncIbRU8YjkuERSr6fnz4HCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T09:06:23.002729Z"},"content_sha256":"46de938cb15a54eac86216aac5523ba27c64d04a2979e808ca3cab0ada0beb82","schema_version":"1.0","event_id":"sha256:46de938cb15a54eac86216aac5523ba27c64d04a2979e808ca3cab0ada0beb82"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FWH7ZILRG6XR5OJ2KHUFLFXMW7/bundle.json","state_url":"https://pith.science/pith/FWH7ZILRG6XR5OJ2KHUFLFXMW7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FWH7ZILRG6XR5OJ2KHUFLFXMW7/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":"2026-08-03T09:06:23Z","links":{"resolver":"https://pith.science/pith/FWH7ZILRG6XR5OJ2KHUFLFXMW7","bundle":"https://pith.science/pith/FWH7ZILRG6XR5OJ2KHUFLFXMW7/bundle.json","state":"https://pith.science/pith/FWH7ZILRG6XR5OJ2KHUFLFXMW7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FWH7ZILRG6XR5OJ2KHUFLFXMW7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:FWH7ZILRG6XR5OJ2KHUFLFXMW7","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":"1133890e7398c65ddfafe33e85f790a5fa9b89f36fff0bb43bf89e7936c39887","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-02-24T09:57:26Z","title_canon_sha256":"45946b9dca9c937838f31d50af27dbaba121bca76a23059fb2c92d32ceabfa00"},"schema_version":"1.0","source":{"id":"2602.20733","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.20733","created_at":"2026-07-23T01:24:23Z"},{"alias_kind":"arxiv_version","alias_value":"2602.20733v2","created_at":"2026-07-23T01:24:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.20733","created_at":"2026-07-23T01:24:23Z"},{"alias_kind":"pith_short_12","alias_value":"FWH7ZILRG6XR","created_at":"2026-07-23T01:24:23Z"},{"alias_kind":"pith_short_16","alias_value":"FWH7ZILRG6XR5OJ2","created_at":"2026-07-23T01:24:23Z"},{"alias_kind":"pith_short_8","alias_value":"FWH7ZILR","created_at":"2026-07-23T01:24:23Z"}],"graph_snapshots":[{"event_id":"sha256:46de938cb15a54eac86216aac5523ba27c64d04a2979e808ca3cab0ada0beb82","target":"graph","created_at":"2026-07-23T01:24:23Z","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/2602.20733/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Galaxies evolve within the intricate geometry of the cosmic web, yet the distinct roles of its primary components - nodes and filaments remain incompletely understood. Using the EAGLE cosmological hydrodynamical simulation, we investigate how distances to filament spines and cluster-scale nodes jointly and independently influence galaxy evolution. Galaxies are classified into red, green, and blue populations through a fully data-driven entropic thresholding technique, and the nodes and filaments are identified using DisPerSE. We find that red galaxies preferentially reside near filament cores ","authors_text":"Apashanka Das, Biswajit Pandey, Suman Sarkar","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-02-24T09:57:26Z","title":"Galaxy evolution in the cosmic web: the relative impact of nodes and filaments in the EAGLE simulation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.20733","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":"sha256:265dd9f755b8333f414bfec8e50d9041bdb3556b3e88ea235b4b99450413d2fb","target":"record","created_at":"2026-07-23T01:24:23Z","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":"1133890e7398c65ddfafe33e85f790a5fa9b89f36fff0bb43bf89e7936c39887","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-02-24T09:57:26Z","title_canon_sha256":"45946b9dca9c937838f31d50af27dbaba121bca76a23059fb2c92d32ceabfa00"},"schema_version":"1.0","source":{"id":"2602.20733","kind":"arxiv","version":2}},"canonical_sha256":"2d8ffca17137af1eb93a51e85596ecb7d18a5568c5051e8abb39edfe071640ea","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2d8ffca17137af1eb93a51e85596ecb7d18a5568c5051e8abb39edfe071640ea","first_computed_at":"2026-07-23T01:24:23.699961Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-23T01:24:23.699961Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CVTz072EE3jPwJ8tvWaL1MJu752s2E4kTlizZP7XRIQOG5qPQ2nA15Ao3c0JXaip8uo/26W0HJqqEEgYUjI8BQ==","signature_status":"signed_v1","signed_at":"2026-07-23T01:24:23.700887Z","signed_message":"canonical_sha256_bytes"},"source_id":"2602.20733","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:265dd9f755b8333f414bfec8e50d9041bdb3556b3e88ea235b4b99450413d2fb","sha256:46de938cb15a54eac86216aac5523ba27c64d04a2979e808ca3cab0ada0beb82"],"state_sha256":"b626a225f8bc0c48cf9cec967e6d843a198d24180bdc58382fd4496855e7127c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q48qY/ZiDgDcgAPH+ZKy2vpy26/b555WhVdRKqb1wt3+9qRrFP/Hj5B+AwO7FB7jw78x52wF+pTIhmX5nhNKBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T09:06:23.005621Z","bundle_sha256":"6db02d7663cf604226cc2449f405f0b8b7ecca92d9eecbd1ca54b0cba4f749af"}}