{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:7ZO7ZFQCRRX7WFCKRAJPICXAOE","short_pith_number":"pith:7ZO7ZFQC","canonical_record":{"source":{"id":"2507.05414","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-07-07T18:54:44Z","cross_cats_sorted":[],"title_canon_sha256":"cb4efb306ea1b6255ce6120c9208b46c80c08708009206b77b7a49b5fa0933f7","abstract_canon_sha256":"fdccc19533cf27f37408da466ca23236a3c0fe3976a0047746c3f0ded7139152"},"schema_version":"1.0"},"canonical_sha256":"fe5dfc96028c6ffb144a8812f40ae07114f47c64c5e5fbbbddbae247077a69af","source":{"kind":"arxiv","id":"2507.05414","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.05414","created_at":"2026-07-05T11:33:30Z"},{"alias_kind":"arxiv_version","alias_value":"2507.05414v1","created_at":"2026-07-05T11:33:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.05414","created_at":"2026-07-05T11:33:30Z"},{"alias_kind":"pith_short_12","alias_value":"7ZO7ZFQCRRX7","created_at":"2026-07-05T11:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"7ZO7ZFQCRRX7WFCK","created_at":"2026-07-05T11:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"7ZO7ZFQC","created_at":"2026-07-05T11:33:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:7ZO7ZFQCRRX7WFCKRAJPICXAOE","target":"record","payload":{"canonical_record":{"source":{"id":"2507.05414","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-07-07T18:54:44Z","cross_cats_sorted":[],"title_canon_sha256":"cb4efb306ea1b6255ce6120c9208b46c80c08708009206b77b7a49b5fa0933f7","abstract_canon_sha256":"fdccc19533cf27f37408da466ca23236a3c0fe3976a0047746c3f0ded7139152"},"schema_version":"1.0"},"canonical_sha256":"fe5dfc96028c6ffb144a8812f40ae07114f47c64c5e5fbbbddbae247077a69af","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:33:30.005769Z","signature_b64":"qcZ6nRwfpPHb5iF/5LPyMs4m+TXGwxSb4jUh6PUUHgdYvnLwAuhpW8Er9l4dQ7O6gBm0uRpCczFxGlVIaeObDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe5dfc96028c6ffb144a8812f40ae07114f47c64c5e5fbbbddbae247077a69af","last_reissued_at":"2026-07-05T11:33:30.005329Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:33:30.005329Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.05414","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":"2026-07-05T11:33:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zQXCalOTPlVfXWCMtf1GkAx74TadXAQ///v56IsiiQVUdfYYgHralN/Np0tJSydc+kbhNwMTgy976i43f/yGDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T23:09:36.775174Z"},"content_sha256":"97b435b417c662948776954c957e95a997dfe1642e421d965fedef1af3929a13","schema_version":"1.0","event_id":"sha256:97b435b417c662948776954c957e95a997dfe1642e421d965fedef1af3929a13"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:7ZO7ZFQCRRX7WFCKRAJPICXAOE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Physical properties of HII regions at sub-kpc scales using integral field spectroscopy on IC 342","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Lugo-Aranda, D.Bizyaev, Guillermo Blanc, H. Ibarra-Medel, J. E. Mendez Delgado, J. K. Barrera-Ballesteros, K. Kreckel, L. Carigi, N. Drory, S. F. Sanchez","submitted_at":"2025-07-07T18:54:44Z","abstract_excerpt":"In this study we use Integral Field Spectroscopic (IFS) observations for one of the closest galaxy to us, the grand design spiral IC 342, to derive physical properties of HII regions at sub-kpc scales. This IFS data represents, to our knowledge, the most comprehensive observational effort in the optical for this galaxy. The final IFS datacube consists of 349 individual pointings using the IFS instrumentation from the SDSS-IV MaNGA survey. Using a prototype of the data analysis pipeline that will be devoted to the SDSS-V Local Volume Mapper (LVM) survey, we measure different observables from th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.05414","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/2507.05414/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":"2026-07-05T11:33:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4TMRaBHSDkaqsS1eNVOMdnmn0JKkRrHu+7mzOeJlkEEjfuCwcrx+lrr/yfizEdftXI6R3E+FSrQlq9WeVjVbBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T23:09:36.775902Z"},"content_sha256":"50b003431a2c7dd71156f479ddbc2c60efaa75c3b7e2175e258da44f81f9bb23","schema_version":"1.0","event_id":"sha256:50b003431a2c7dd71156f479ddbc2c60efaa75c3b7e2175e258da44f81f9bb23"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7ZO7ZFQCRRX7WFCKRAJPICXAOE/bundle.json","state_url":"https://pith.science/pith/7ZO7ZFQCRRX7WFCKRAJPICXAOE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7ZO7ZFQCRRX7WFCKRAJPICXAOE/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":"2026-08-20T23:09:36Z","links":{"resolver":"https://pith.science/pith/7ZO7ZFQCRRX7WFCKRAJPICXAOE","bundle":"https://pith.science/pith/7ZO7ZFQCRRX7WFCKRAJPICXAOE/bundle.json","state":"https://pith.science/pith/7ZO7ZFQCRRX7WFCKRAJPICXAOE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7ZO7ZFQCRRX7WFCKRAJPICXAOE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:7ZO7ZFQCRRX7WFCKRAJPICXAOE","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":"fdccc19533cf27f37408da466ca23236a3c0fe3976a0047746c3f0ded7139152","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-07-07T18:54:44Z","title_canon_sha256":"cb4efb306ea1b6255ce6120c9208b46c80c08708009206b77b7a49b5fa0933f7"},"schema_version":"1.0","source":{"id":"2507.05414","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.05414","created_at":"2026-07-05T11:33:30Z"},{"alias_kind":"arxiv_version","alias_value":"2507.05414v1","created_at":"2026-07-05T11:33:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.05414","created_at":"2026-07-05T11:33:30Z"},{"alias_kind":"pith_short_12","alias_value":"7ZO7ZFQCRRX7","created_at":"2026-07-05T11:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"7ZO7ZFQCRRX7WFCK","created_at":"2026-07-05T11:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"7ZO7ZFQC","created_at":"2026-07-05T11:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:50b003431a2c7dd71156f479ddbc2c60efaa75c3b7e2175e258da44f81f9bb23","target":"graph","created_at":"2026-07-05T11:33:30Z","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/2507.05414/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this study we use Integral Field Spectroscopic (IFS) observations for one of the closest galaxy to us, the grand design spiral IC 342, to derive physical properties of HII regions at sub-kpc scales. This IFS data represents, to our knowledge, the most comprehensive observational effort in the optical for this galaxy. The final IFS datacube consists of 349 individual pointings using the IFS instrumentation from the SDSS-IV MaNGA survey. Using a prototype of the data analysis pipeline that will be devoted to the SDSS-V Local Volume Mapper (LVM) survey, we measure different observables from th","authors_text":"A. Lugo-Aranda, D.Bizyaev, Guillermo Blanc, H. Ibarra-Medel, J. E. Mendez Delgado, J. K. Barrera-Ballesteros, K. Kreckel, L. Carigi, N. Drory, S. F. Sanchez","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-07-07T18:54:44Z","title":"Physical properties of HII regions at sub-kpc scales using integral field spectroscopy on IC 342"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.05414","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":"sha256:97b435b417c662948776954c957e95a997dfe1642e421d965fedef1af3929a13","target":"record","created_at":"2026-07-05T11:33:30Z","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":"fdccc19533cf27f37408da466ca23236a3c0fe3976a0047746c3f0ded7139152","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-07-07T18:54:44Z","title_canon_sha256":"cb4efb306ea1b6255ce6120c9208b46c80c08708009206b77b7a49b5fa0933f7"},"schema_version":"1.0","source":{"id":"2507.05414","kind":"arxiv","version":1}},"canonical_sha256":"fe5dfc96028c6ffb144a8812f40ae07114f47c64c5e5fbbbddbae247077a69af","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe5dfc96028c6ffb144a8812f40ae07114f47c64c5e5fbbbddbae247077a69af","first_computed_at":"2026-07-05T11:33:30.005329Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:33:30.005329Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qcZ6nRwfpPHb5iF/5LPyMs4m+TXGwxSb4jUh6PUUHgdYvnLwAuhpW8Er9l4dQ7O6gBm0uRpCczFxGlVIaeObDw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:33:30.005769Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.05414","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:97b435b417c662948776954c957e95a997dfe1642e421d965fedef1af3929a13","sha256:50b003431a2c7dd71156f479ddbc2c60efaa75c3b7e2175e258da44f81f9bb23"],"state_sha256":"47785f375cd933cb424b85c9f23763420593bfb18d9de789d7c1aac875056cb4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eAMJTv+DxB1TxKo9dva4jkNcP5xNH7XIk6NZUrjlGXJyQHSf6u3uXdQBtGLiHVN2WGr8MOIHssUu6QrlUHVlBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T23:09:36.782224Z","bundle_sha256":"1f4ca7840af9ac5cf7ad62c63d9cd0d58b74f0f80eedb27f70e501588b8d8c9c"}}