{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:ZWQZ7RVV5XYRZDQLTUNA27RDPO","short_pith_number":"pith:ZWQZ7RVV","canonical_record":{"source":{"id":"2507.16131","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-07-22T00:56:04Z","cross_cats_sorted":[],"title_canon_sha256":"35faa958dbdcc5aba8a68fbb8013ebcf9db98eaa73dc1780d9fc444944d6a810","abstract_canon_sha256":"b569e3fcedb52da61bae34bf8867606d7f3965d044574b4158897fa102e02524"},"schema_version":"1.0"},"canonical_sha256":"cda19fc6b5edf11c8e0b9d1a0d7e237b831ff84d688efc22e9ccc853f8743797","source":{"kind":"arxiv","id":"2507.16131","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.16131","created_at":"2026-07-05T11:41:03Z"},{"alias_kind":"arxiv_version","alias_value":"2507.16131v1","created_at":"2026-07-05T11:41:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.16131","created_at":"2026-07-05T11:41:03Z"},{"alias_kind":"pith_short_12","alias_value":"ZWQZ7RVV5XYR","created_at":"2026-07-05T11:41:03Z"},{"alias_kind":"pith_short_16","alias_value":"ZWQZ7RVV5XYRZDQL","created_at":"2026-07-05T11:41:03Z"},{"alias_kind":"pith_short_8","alias_value":"ZWQZ7RVV","created_at":"2026-07-05T11:41:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:ZWQZ7RVV5XYRZDQLTUNA27RDPO","target":"record","payload":{"canonical_record":{"source":{"id":"2507.16131","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-07-22T00:56:04Z","cross_cats_sorted":[],"title_canon_sha256":"35faa958dbdcc5aba8a68fbb8013ebcf9db98eaa73dc1780d9fc444944d6a810","abstract_canon_sha256":"b569e3fcedb52da61bae34bf8867606d7f3965d044574b4158897fa102e02524"},"schema_version":"1.0"},"canonical_sha256":"cda19fc6b5edf11c8e0b9d1a0d7e237b831ff84d688efc22e9ccc853f8743797","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:41:03.515137Z","signature_b64":"2Ie3YL0smW6tH1EodrHCH39vKMJOxOgOzi6XAQAoTUyf/0eQJwq3Q/oj/fF2hQDTo8IVbFC8DxFeZqVnokzVBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cda19fc6b5edf11c8e0b9d1a0d7e237b831ff84d688efc22e9ccc853f8743797","last_reissued_at":"2026-07-05T11:41:03.514660Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:41:03.514660Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.16131","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":"2026-07-05T11:41:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"usmiOqNA7zUzZpeeP8E1P3WVRro483hkqLwMYeeXIRKjNNW6E4aKhecBgtvdPvFhRdj/ppf6+wwAHOoPnvriBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T06:14:47.695000Z"},"content_sha256":"fcef5bf0194148de49671a8dd4a97f2bed1271cb5e8a99f275f4f0c60ccddf34","schema_version":"1.0","event_id":"sha256:fcef5bf0194148de49671a8dd4a97f2bed1271cb5e8a99f275f4f0c60ccddf34"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:ZWQZ7RVV5XYRZDQLTUNA27RDPO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Central Concentration and Escape of Ionizing Photons in Galaxies at the Epoch of Reionization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Cheng Jia, Chengyu Ma, Cheqiu Lyu, Enci Wang, Haoran Yu, Jie Song, Jinyang Wang, Junxian Wang, Xu Kong, Yangyao Chen, Yifan Wang, Zeyu Chen","submitted_at":"2025-07-22T00:56:04Z","abstract_excerpt":"Compact, low-mass galaxies with strong nebular emission are considered promising candidates for efficient ionizing photon production and escape. We present a spatially resolved analysis of 189 galaxies at redshifts $z \\sim 6.7-7.6$ in JADES GOODS-N and GOODS-S fields and selected via JWST/NIRCam F410M filter. By employing annular photometry and spectral energy distribution fitting across rest-frame UV to optical wavelengths, we investigate the internal structure of star formation, ionizing photon production and escape, as well as the resolved star formation histories within these galaxies. We "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.16131","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/2507.16131/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":"2026-07-05T11:41:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IH06ubwbt092ukVTFYnz9C60dmiaazoDM+t4ksf0msndsKvn29UpRzYrwOX0yfD+0mZyXr1Bi0xJqlC71esNAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T06:14:47.695648Z"},"content_sha256":"a9bf296b0cbf2138bf2220c2a8f17ce48152fa76e64aad24a40fbd97ceab14a4","schema_version":"1.0","event_id":"sha256:a9bf296b0cbf2138bf2220c2a8f17ce48152fa76e64aad24a40fbd97ceab14a4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZWQZ7RVV5XYRZDQLTUNA27RDPO/bundle.json","state_url":"https://pith.science/pith/ZWQZ7RVV5XYRZDQLTUNA27RDPO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZWQZ7RVV5XYRZDQLTUNA27RDPO/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":"2026-08-07T06:14:47Z","links":{"resolver":"https://pith.science/pith/ZWQZ7RVV5XYRZDQLTUNA27RDPO","bundle":"https://pith.science/pith/ZWQZ7RVV5XYRZDQLTUNA27RDPO/bundle.json","state":"https://pith.science/pith/ZWQZ7RVV5XYRZDQLTUNA27RDPO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZWQZ7RVV5XYRZDQLTUNA27RDPO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:ZWQZ7RVV5XYRZDQLTUNA27RDPO","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":"b569e3fcedb52da61bae34bf8867606d7f3965d044574b4158897fa102e02524","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-07-22T00:56:04Z","title_canon_sha256":"35faa958dbdcc5aba8a68fbb8013ebcf9db98eaa73dc1780d9fc444944d6a810"},"schema_version":"1.0","source":{"id":"2507.16131","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.16131","created_at":"2026-07-05T11:41:03Z"},{"alias_kind":"arxiv_version","alias_value":"2507.16131v1","created_at":"2026-07-05T11:41:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.16131","created_at":"2026-07-05T11:41:03Z"},{"alias_kind":"pith_short_12","alias_value":"ZWQZ7RVV5XYR","created_at":"2026-07-05T11:41:03Z"},{"alias_kind":"pith_short_16","alias_value":"ZWQZ7RVV5XYRZDQL","created_at":"2026-07-05T11:41:03Z"},{"alias_kind":"pith_short_8","alias_value":"ZWQZ7RVV","created_at":"2026-07-05T11:41:03Z"}],"graph_snapshots":[{"event_id":"sha256:a9bf296b0cbf2138bf2220c2a8f17ce48152fa76e64aad24a40fbd97ceab14a4","target":"graph","created_at":"2026-07-05T11:41:03Z","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/2507.16131/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Compact, low-mass galaxies with strong nebular emission are considered promising candidates for efficient ionizing photon production and escape. We present a spatially resolved analysis of 189 galaxies at redshifts $z \\sim 6.7-7.6$ in JADES GOODS-N and GOODS-S fields and selected via JWST/NIRCam F410M filter. By employing annular photometry and spectral energy distribution fitting across rest-frame UV to optical wavelengths, we investigate the internal structure of star formation, ionizing photon production and escape, as well as the resolved star formation histories within these galaxies. We ","authors_text":"Cheng Jia, Chengyu Ma, Cheqiu Lyu, Enci Wang, Haoran Yu, Jie Song, Jinyang Wang, Junxian Wang, Xu Kong, Yangyao Chen, Yifan Wang, Zeyu Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-07-22T00:56:04Z","title":"Central Concentration and Escape of Ionizing Photons in Galaxies at the Epoch of Reionization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.16131","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:fcef5bf0194148de49671a8dd4a97f2bed1271cb5e8a99f275f4f0c60ccddf34","target":"record","created_at":"2026-07-05T11:41:03Z","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":"b569e3fcedb52da61bae34bf8867606d7f3965d044574b4158897fa102e02524","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-07-22T00:56:04Z","title_canon_sha256":"35faa958dbdcc5aba8a68fbb8013ebcf9db98eaa73dc1780d9fc444944d6a810"},"schema_version":"1.0","source":{"id":"2507.16131","kind":"arxiv","version":1}},"canonical_sha256":"cda19fc6b5edf11c8e0b9d1a0d7e237b831ff84d688efc22e9ccc853f8743797","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cda19fc6b5edf11c8e0b9d1a0d7e237b831ff84d688efc22e9ccc853f8743797","first_computed_at":"2026-07-05T11:41:03.514660Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:41:03.514660Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2Ie3YL0smW6tH1EodrHCH39vKMJOxOgOzi6XAQAoTUyf/0eQJwq3Q/oj/fF2hQDTo8IVbFC8DxFeZqVnokzVBA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:41:03.515137Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.16131","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fcef5bf0194148de49671a8dd4a97f2bed1271cb5e8a99f275f4f0c60ccddf34","sha256:a9bf296b0cbf2138bf2220c2a8f17ce48152fa76e64aad24a40fbd97ceab14a4"],"state_sha256":"3741bfc941ede81023c3c0d1a42a9b4244bc308316d2ed89c72b0dde021239d8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Yf46cdonQRF4smJkWD/+8oFskcy4mlR7234+V369V4FAg2UNHUqKO0aCh6qY/bnCRx4/nTQIK6jUFcEApLVBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T06:14:47.703496Z","bundle_sha256":"27417c6ffb52b88d94d5f80158bfb6e45490a0b310e61e9acf2aa51910808ef9"}}