{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:RCZNHA57QH7VYSSMKSYOQKL6YZ","short_pith_number":"pith:RCZNHA57","canonical_record":{"source":{"id":"2301.06696","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-01-17T04:23:28Z","cross_cats_sorted":[],"title_canon_sha256":"0fc35ebf1a21833bd17c987183e52ec742ecbbbca5030f2a227160d4ad60fcd1","abstract_canon_sha256":"8128e31debdca6cd8386fdea6493c5d027e4b9b73fd2ae457e5f0b22193cbbd2"},"schema_version":"1.0"},"canonical_sha256":"88b2d383bf81ff5c4a4c54b0e8297ec6521e281147e70d094c0869e40a6a0a24","source":{"kind":"arxiv","id":"2301.06696","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.06696","created_at":"2026-07-05T05:33:34Z"},{"alias_kind":"arxiv_version","alias_value":"2301.06696v1","created_at":"2026-07-05T05:33:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.06696","created_at":"2026-07-05T05:33:34Z"},{"alias_kind":"pith_short_12","alias_value":"RCZNHA57QH7V","created_at":"2026-07-05T05:33:34Z"},{"alias_kind":"pith_short_16","alias_value":"RCZNHA57QH7VYSSM","created_at":"2026-07-05T05:33:34Z"},{"alias_kind":"pith_short_8","alias_value":"RCZNHA57","created_at":"2026-07-05T05:33:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:RCZNHA57QH7VYSSMKSYOQKL6YZ","target":"record","payload":{"canonical_record":{"source":{"id":"2301.06696","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-01-17T04:23:28Z","cross_cats_sorted":[],"title_canon_sha256":"0fc35ebf1a21833bd17c987183e52ec742ecbbbca5030f2a227160d4ad60fcd1","abstract_canon_sha256":"8128e31debdca6cd8386fdea6493c5d027e4b9b73fd2ae457e5f0b22193cbbd2"},"schema_version":"1.0"},"canonical_sha256":"88b2d383bf81ff5c4a4c54b0e8297ec6521e281147e70d094c0869e40a6a0a24","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:33:34.820176Z","signature_b64":"qUWg1CQ2/vxzjnr4tbNZ7B7p6YVB3UMfI+0BjQcLxBy50GYae0qFIcCxK22qkRL9EiElGZobvkzBJwYlImSVBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"88b2d383bf81ff5c4a4c54b0e8297ec6521e281147e70d094c0869e40a6a0a24","last_reissued_at":"2026-07-05T05:33:34.819728Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:33:34.819728Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2301.06696","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":"2026-07-05T05:33:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fliE2ujQNIsiHwn7KaudIoRvBqpwjbafHnLTjc241IyOXOs7I8QyCG7LbwGw1kEoi3/tmcvoqoYJPlQniuREBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T09:39:22.161091Z"},"content_sha256":"6012ed68fd24b7fd7439185ab05964395ee541a1abd7014a8d262d9e92b17f9c","schema_version":"1.0","event_id":"sha256:6012ed68fd24b7fd7439185ab05964395ee541a1abd7014a8d262d9e92b17f9c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:RCZNHA57QH7VYSSMKSYOQKL6YZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Excitation and Ionization Properties of Star-forming Galaxies at z=2.0-9.3 with JWST/NIRSpec","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alice E. Shapley, Gabriel B. Brammer, Michael W. Topping, Naveen A. Reddy, Ryan L. Sanders","submitted_at":"2023-01-17T04:23:28Z","abstract_excerpt":"We utilize medium-resolution JWST/NIRSpec observations of 164 galaxies at $z=2.0-9.3$ from the Cosmic Evolution Early Release Science (CEERS) survey to investigate the evolution of the excitation and ionization properties of galaxies at high redshifts. Our results represent the first statistical constraints on the evolution of the [OIII]/H$\\beta$ vs. [NII]/H$\\alpha$, [SII]/H$\\alpha$, and [OI]/H$\\alpha$ ``BPT'' diagrams at $z>2.7$, and the first analysis of the O32 vs. R23 diagram at $z>4$ with a large sample. We divide the sample into five redshift bins containing 30-40 galaxies each. The subs"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.06696","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/2301.06696/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":"2026-07-05T05:33:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f+rCQIOwfHgNNGuo/k2phBg9W7s6CHA/J6MlX4HzF6D8qzmaJaauu/6vnA0S0pXwXLHQ05I2kwz/4Y5Q08brCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T09:39:22.161661Z"},"content_sha256":"99bdda1adb668425c37b90ddde5c621c73bed13b4448b6ff5cf86c129c2565a5","schema_version":"1.0","event_id":"sha256:99bdda1adb668425c37b90ddde5c621c73bed13b4448b6ff5cf86c129c2565a5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RCZNHA57QH7VYSSMKSYOQKL6YZ/bundle.json","state_url":"https://pith.science/pith/RCZNHA57QH7VYSSMKSYOQKL6YZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RCZNHA57QH7VYSSMKSYOQKL6YZ/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":"2026-08-04T09:39:22Z","links":{"resolver":"https://pith.science/pith/RCZNHA57QH7VYSSMKSYOQKL6YZ","bundle":"https://pith.science/pith/RCZNHA57QH7VYSSMKSYOQKL6YZ/bundle.json","state":"https://pith.science/pith/RCZNHA57QH7VYSSMKSYOQKL6YZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RCZNHA57QH7VYSSMKSYOQKL6YZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:RCZNHA57QH7VYSSMKSYOQKL6YZ","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":"8128e31debdca6cd8386fdea6493c5d027e4b9b73fd2ae457e5f0b22193cbbd2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-01-17T04:23:28Z","title_canon_sha256":"0fc35ebf1a21833bd17c987183e52ec742ecbbbca5030f2a227160d4ad60fcd1"},"schema_version":"1.0","source":{"id":"2301.06696","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.06696","created_at":"2026-07-05T05:33:34Z"},{"alias_kind":"arxiv_version","alias_value":"2301.06696v1","created_at":"2026-07-05T05:33:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.06696","created_at":"2026-07-05T05:33:34Z"},{"alias_kind":"pith_short_12","alias_value":"RCZNHA57QH7V","created_at":"2026-07-05T05:33:34Z"},{"alias_kind":"pith_short_16","alias_value":"RCZNHA57QH7VYSSM","created_at":"2026-07-05T05:33:34Z"},{"alias_kind":"pith_short_8","alias_value":"RCZNHA57","created_at":"2026-07-05T05:33:34Z"}],"graph_snapshots":[{"event_id":"sha256:99bdda1adb668425c37b90ddde5c621c73bed13b4448b6ff5cf86c129c2565a5","target":"graph","created_at":"2026-07-05T05:33:34Z","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/2301.06696/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We utilize medium-resolution JWST/NIRSpec observations of 164 galaxies at $z=2.0-9.3$ from the Cosmic Evolution Early Release Science (CEERS) survey to investigate the evolution of the excitation and ionization properties of galaxies at high redshifts. Our results represent the first statistical constraints on the evolution of the [OIII]/H$\\beta$ vs. [NII]/H$\\alpha$, [SII]/H$\\alpha$, and [OI]/H$\\alpha$ ``BPT'' diagrams at $z>2.7$, and the first analysis of the O32 vs. R23 diagram at $z>4$ with a large sample. We divide the sample into five redshift bins containing 30-40 galaxies each. The subs","authors_text":"Alice E. Shapley, Gabriel B. Brammer, Michael W. Topping, Naveen A. Reddy, Ryan L. Sanders","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-01-17T04:23:28Z","title":"Excitation and Ionization Properties of Star-forming Galaxies at z=2.0-9.3 with JWST/NIRSpec"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.06696","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":"sha256:6012ed68fd24b7fd7439185ab05964395ee541a1abd7014a8d262d9e92b17f9c","target":"record","created_at":"2026-07-05T05:33:34Z","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":"8128e31debdca6cd8386fdea6493c5d027e4b9b73fd2ae457e5f0b22193cbbd2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-01-17T04:23:28Z","title_canon_sha256":"0fc35ebf1a21833bd17c987183e52ec742ecbbbca5030f2a227160d4ad60fcd1"},"schema_version":"1.0","source":{"id":"2301.06696","kind":"arxiv","version":1}},"canonical_sha256":"88b2d383bf81ff5c4a4c54b0e8297ec6521e281147e70d094c0869e40a6a0a24","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"88b2d383bf81ff5c4a4c54b0e8297ec6521e281147e70d094c0869e40a6a0a24","first_computed_at":"2026-07-05T05:33:34.819728Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:33:34.819728Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qUWg1CQ2/vxzjnr4tbNZ7B7p6YVB3UMfI+0BjQcLxBy50GYae0qFIcCxK22qkRL9EiElGZobvkzBJwYlImSVBA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:33:34.820176Z","signed_message":"canonical_sha256_bytes"},"source_id":"2301.06696","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6012ed68fd24b7fd7439185ab05964395ee541a1abd7014a8d262d9e92b17f9c","sha256:99bdda1adb668425c37b90ddde5c621c73bed13b4448b6ff5cf86c129c2565a5"],"state_sha256":"a2bb4d6fec822064426636b83735a4270007178fbb77d75de5dac00bb6edc137"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4hNNNsfJvGaCKycW9hbN2+G/yP5MsYMHSGvyjgny+3m8//5pqHUJYHx6EUn9NI55kXdiF5T+6oThj9ZagUN8Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T09:39:22.168474Z","bundle_sha256":"b05b01dbdb53574d2fa809de7e8551e7aa6eebdd5fcfdf24331be6b5f35cb2ed"}}