{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:5TMVCLAUSCZBIBACMMQQSIJV7K","short_pith_number":"pith:5TMVCLAU","canonical_record":{"source":{"id":"1011.0735","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-11-02T20:00:14Z","cross_cats_sorted":[],"title_canon_sha256":"515e774e76a498d7e4230599027fcbfa87cf786f09fa01d84e8db332bdfdf1be","abstract_canon_sha256":"33efcbe6856f16b22d033a0b219ecf7aa8f1e3a0726980ee212eb3fd2314548f"},"schema_version":"1.0"},"canonical_sha256":"ecd9512c1490b21404026321092135fa81935fe3f93e6ad6cb4fb9210e90f0aa","source":{"kind":"arxiv","id":"1011.0735","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.0735","created_at":"2026-05-18T02:04:53Z"},{"alias_kind":"arxiv_version","alias_value":"1011.0735v1","created_at":"2026-05-18T02:04:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.0735","created_at":"2026-05-18T02:04:53Z"},{"alias_kind":"pith_short_12","alias_value":"5TMVCLAUSCZB","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"5TMVCLAUSCZBIBAC","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"5TMVCLAU","created_at":"2026-05-18T12:26:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:5TMVCLAUSCZBIBACMMQQSIJV7K","target":"record","payload":{"canonical_record":{"source":{"id":"1011.0735","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-11-02T20:00:14Z","cross_cats_sorted":[],"title_canon_sha256":"515e774e76a498d7e4230599027fcbfa87cf786f09fa01d84e8db332bdfdf1be","abstract_canon_sha256":"33efcbe6856f16b22d033a0b219ecf7aa8f1e3a0726980ee212eb3fd2314548f"},"schema_version":"1.0"},"canonical_sha256":"ecd9512c1490b21404026321092135fa81935fe3f93e6ad6cb4fb9210e90f0aa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:53.491939Z","signature_b64":"1XkEfrsmJrN6RsmeduVjYGzB8fHFV12ZI99+MXFxOB3mhOTd5bIfShJJC6i2LPb1Y5WRcO3bhz4FgwZOaTPHCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ecd9512c1490b21404026321092135fa81935fe3f93e6ad6cb4fb9210e90f0aa","last_reissued_at":"2026-05-18T02:04:53.491198Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:53.491198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.0735","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":"2026-05-18T02:04:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LnyvYP2nq9nEThIQSH7Nw0hHK2j+6yFGIYbUMItdFnE6D+cah536QTH8Ml+dJ43EDni/Mm5MUJAbpGjPvlFlAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:10:45.834150Z"},"content_sha256":"b3783c4c004d9c67c6589e21acfbe9b19ee34165f990c490317189035dcfcc64","schema_version":"1.0","event_id":"sha256:b3783c4c004d9c67c6589e21acfbe9b19ee34165f990c490317189035dcfcc64"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:5TMVCLAUSCZBIBACMMQQSIJV7K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"What Determines the Incidence and Extent of MgII Absorbing Gas Around Galaxies?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Hsiao-Wen Chen, Ian B. Thompson, Jean-Rene Gauthier, Jennifer E. Helsby, Jeremy L. Tinker, Stephen A. Shectman, Vivienne Wild","submitted_at":"2010-11-02T20:00:14Z","abstract_excerpt":"We study the connections between on-going star formation, galaxy mass, and extended halo gas, in order to distinguish between starburst-driven outflows and infalling clouds that produce the majority of observed MgII absorbers at large galactic radii (>~ 10 h^{-1} kpc) and to gain insights into halo gas contents around galaxies. We present new measurements of total stellar mass (M_star), H-alpha emission line strength (EW(H-alpha)), and specific star formation rate (sSFR) for the 94 galaxies published in H.-W. Chen et al. (2010). We find that the extent of MgII absorbing gas, R_MgII, scales wit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.0735","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":""},"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":"2026-05-18T02:04:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hveNt6kJ0Q6II4YdvF4pJfGlS02aHar4TgxBx5YhoIbBSUyTzFnPlDS3uL/vTk+Rlo4qVVPvhFpyzPKxeQwrCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:10:45.834514Z"},"content_sha256":"ef7b7dc7db82f6478dcff862597a3e4f9f27f9ac2afa986e53f0a86cc217d064","schema_version":"1.0","event_id":"sha256:ef7b7dc7db82f6478dcff862597a3e4f9f27f9ac2afa986e53f0a86cc217d064"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5TMVCLAUSCZBIBACMMQQSIJV7K/bundle.json","state_url":"https://pith.science/pith/5TMVCLAUSCZBIBACMMQQSIJV7K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5TMVCLAUSCZBIBACMMQQSIJV7K/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":"2026-05-30T13:10:45Z","links":{"resolver":"https://pith.science/pith/5TMVCLAUSCZBIBACMMQQSIJV7K","bundle":"https://pith.science/pith/5TMVCLAUSCZBIBACMMQQSIJV7K/bundle.json","state":"https://pith.science/pith/5TMVCLAUSCZBIBACMMQQSIJV7K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5TMVCLAUSCZBIBACMMQQSIJV7K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:5TMVCLAUSCZBIBACMMQQSIJV7K","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":"33efcbe6856f16b22d033a0b219ecf7aa8f1e3a0726980ee212eb3fd2314548f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-11-02T20:00:14Z","title_canon_sha256":"515e774e76a498d7e4230599027fcbfa87cf786f09fa01d84e8db332bdfdf1be"},"schema_version":"1.0","source":{"id":"1011.0735","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.0735","created_at":"2026-05-18T02:04:53Z"},{"alias_kind":"arxiv_version","alias_value":"1011.0735v1","created_at":"2026-05-18T02:04:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.0735","created_at":"2026-05-18T02:04:53Z"},{"alias_kind":"pith_short_12","alias_value":"5TMVCLAUSCZB","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"5TMVCLAUSCZBIBAC","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"5TMVCLAU","created_at":"2026-05-18T12:26:04Z"}],"graph_snapshots":[{"event_id":"sha256:ef7b7dc7db82f6478dcff862597a3e4f9f27f9ac2afa986e53f0a86cc217d064","target":"graph","created_at":"2026-05-18T02:04:53Z","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 study the connections between on-going star formation, galaxy mass, and extended halo gas, in order to distinguish between starburst-driven outflows and infalling clouds that produce the majority of observed MgII absorbers at large galactic radii (>~ 10 h^{-1} kpc) and to gain insights into halo gas contents around galaxies. We present new measurements of total stellar mass (M_star), H-alpha emission line strength (EW(H-alpha)), and specific star formation rate (sSFR) for the 94 galaxies published in H.-W. Chen et al. (2010). We find that the extent of MgII absorbing gas, R_MgII, scales wit","authors_text":"Hsiao-Wen Chen, Ian B. Thompson, Jean-Rene Gauthier, Jennifer E. Helsby, Jeremy L. Tinker, Stephen A. Shectman, Vivienne Wild","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-11-02T20:00:14Z","title":"What Determines the Incidence and Extent of MgII Absorbing Gas Around Galaxies?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.0735","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:b3783c4c004d9c67c6589e21acfbe9b19ee34165f990c490317189035dcfcc64","target":"record","created_at":"2026-05-18T02:04:53Z","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":"33efcbe6856f16b22d033a0b219ecf7aa8f1e3a0726980ee212eb3fd2314548f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-11-02T20:00:14Z","title_canon_sha256":"515e774e76a498d7e4230599027fcbfa87cf786f09fa01d84e8db332bdfdf1be"},"schema_version":"1.0","source":{"id":"1011.0735","kind":"arxiv","version":1}},"canonical_sha256":"ecd9512c1490b21404026321092135fa81935fe3f93e6ad6cb4fb9210e90f0aa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ecd9512c1490b21404026321092135fa81935fe3f93e6ad6cb4fb9210e90f0aa","first_computed_at":"2026-05-18T02:04:53.491198Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:53.491198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1XkEfrsmJrN6RsmeduVjYGzB8fHFV12ZI99+MXFxOB3mhOTd5bIfShJJC6i2LPb1Y5WRcO3bhz4FgwZOaTPHCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:53.491939Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.0735","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3783c4c004d9c67c6589e21acfbe9b19ee34165f990c490317189035dcfcc64","sha256:ef7b7dc7db82f6478dcff862597a3e4f9f27f9ac2afa986e53f0a86cc217d064"],"state_sha256":"19ccbe9c76b00eef3b4b49079409d8260299ef79b7c0af88694092a8a240b08c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lARByciA5VSiLWbXlYf9TynSmX7Xk222I6akbQ25Als9viIixqhujqkzIhcnr/hUm9tjY6e174hUMCJtYzYDAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T13:10:45.836739Z","bundle_sha256":"7eb9f0a10465793d58673e2ee84625d6dbeb7ff8936d87d0783262aee30d9b1b"}}