{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:N7HYR3RLJ6Y43GXHU6JNDBRNWX","short_pith_number":"pith:N7HYR3RL","canonical_record":{"source":{"id":"2607.00408","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-01T04:05:56Z","cross_cats_sorted":[],"title_canon_sha256":"e418112267e5c18fb325b5580300a67eccf67e1efdb88bebf98caee95c9f1fc7","abstract_canon_sha256":"a41606de9f253636abc82e65bb91d8523a5341e243ab9d554e6f6f6f85cf689e"},"schema_version":"1.0"},"canonical_sha256":"6fcf88ee2b4fb1cd9ae7a792d1862db5e6c25a15f18b40f7e3b23f98ca95a9b5","source":{"kind":"arxiv","id":"2607.00408","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.00408","created_at":"2026-07-02T01:17:42Z"},{"alias_kind":"arxiv_version","alias_value":"2607.00408v1","created_at":"2026-07-02T01:17:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.00408","created_at":"2026-07-02T01:17:42Z"},{"alias_kind":"pith_short_12","alias_value":"N7HYR3RLJ6Y4","created_at":"2026-07-02T01:17:42Z"},{"alias_kind":"pith_short_16","alias_value":"N7HYR3RLJ6Y43GXH","created_at":"2026-07-02T01:17:42Z"},{"alias_kind":"pith_short_8","alias_value":"N7HYR3RL","created_at":"2026-07-02T01:17:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:N7HYR3RLJ6Y43GXHU6JNDBRNWX","target":"record","payload":{"canonical_record":{"source":{"id":"2607.00408","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-01T04:05:56Z","cross_cats_sorted":[],"title_canon_sha256":"e418112267e5c18fb325b5580300a67eccf67e1efdb88bebf98caee95c9f1fc7","abstract_canon_sha256":"a41606de9f253636abc82e65bb91d8523a5341e243ab9d554e6f6f6f85cf689e"},"schema_version":"1.0"},"canonical_sha256":"6fcf88ee2b4fb1cd9ae7a792d1862db5e6c25a15f18b40f7e3b23f98ca95a9b5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-02T01:17:42.596636Z","signature_b64":"7WJ30gj8mBNYfdWEbhePeHIQw9TE3M6cOeF/kZJiKV6wMkpihjisB7ZHcGFShyIvG82sSsM1FG9rosDZAym+DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6fcf88ee2b4fb1cd9ae7a792d1862db5e6c25a15f18b40f7e3b23f98ca95a9b5","last_reissued_at":"2026-07-02T01:17:42.596240Z","signature_status":"signed_v1","first_computed_at":"2026-07-02T01:17:42.596240Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.00408","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":"2026-07-02T01:17:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d33cYu+41G1T20CIzkgDbK6idLV7foiPCNg2+Wj9OIfjBTMI/MAIDRyDaGmSPpBOuTMtoq4ogFF3TKbRI9A1BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T21:04:29.736577Z"},"content_sha256":"320e16b661a2ddcaecc68314f4f72a43f8b04c9f945017bdf4e2156ad1438b65","schema_version":"1.0","event_id":"sha256:320e16b661a2ddcaecc68314f4f72a43f8b04c9f945017bdf4e2156ad1438b65"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:N7HYR3RLJ6Y43GXHU6JNDBRNWX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exploring the synergies of $[\\mathrm{O\\,II}]\\lambda 3727$ with MUSE spectroscopy in PHANGS H II regions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Amirnezam Amiri, Brent Groves, Christopher Faesi, Daniel A. Dale, Eric Habjan, F. Fabi\\'an Rosales-Ortega, Francesco Belfiore, Hsi-An Pan, J. Eduardo M\\'endez-Delgado, Kathryn Grasha, Kathryn Kreckel, Laurie Rousseau-Nepton, Oleg V. Egorov, Ralf S. Klessen, Ryan J. Vaught, Thomas G. Williams, Timo Kravtsov","submitted_at":"2026-07-01T04:05:56Z","abstract_excerpt":"Spatially resolved maps of gas-phase metallicity provide key constraints on the chemical enrichment and mixing processes that drive galaxy evolution, but measurements based only on strong lines remain highly uncertain and dependent on emission-line coverage. In this work, we present a joint analysis of SITELLE observations, covering the $[O II]\\lambda\\lambda3726,3729$ doublet, with PHANGS-MUSE spectroscopy covering 4800-9300 Angstroms, including $H\\beta$, $[O III]\\lambda4959,5007$, $[N II]\\lambda6584$, $H\\alpha$, $[S II]\\lambda\\lambda6716,6731$, and $[S III]\\lambda9069$, within five nearby spi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.00408","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/2607.00408/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":"2026-07-02T01:17:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fnLwVhs7Cgo6q2BOS+CSPiP+9wYB0rH34MS3NnV5dV1TqPNlpAS0QNRwUakgymUI5rjTTW/7S+p3aE5sD50dBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T21:04:29.736965Z"},"content_sha256":"61b4fde7405b5d755c8434980b93c35cd998682874f17aa651ac4fce2a91c8ef","schema_version":"1.0","event_id":"sha256:61b4fde7405b5d755c8434980b93c35cd998682874f17aa651ac4fce2a91c8ef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N7HYR3RLJ6Y43GXHU6JNDBRNWX/bundle.json","state_url":"https://pith.science/pith/N7HYR3RLJ6Y43GXHU6JNDBRNWX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N7HYR3RLJ6Y43GXHU6JNDBRNWX/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":"2026-07-02T21:04:29Z","links":{"resolver":"https://pith.science/pith/N7HYR3RLJ6Y43GXHU6JNDBRNWX","bundle":"https://pith.science/pith/N7HYR3RLJ6Y43GXHU6JNDBRNWX/bundle.json","state":"https://pith.science/pith/N7HYR3RLJ6Y43GXHU6JNDBRNWX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N7HYR3RLJ6Y43GXHU6JNDBRNWX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:N7HYR3RLJ6Y43GXHU6JNDBRNWX","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":"a41606de9f253636abc82e65bb91d8523a5341e243ab9d554e6f6f6f85cf689e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-01T04:05:56Z","title_canon_sha256":"e418112267e5c18fb325b5580300a67eccf67e1efdb88bebf98caee95c9f1fc7"},"schema_version":"1.0","source":{"id":"2607.00408","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.00408","created_at":"2026-07-02T01:17:42Z"},{"alias_kind":"arxiv_version","alias_value":"2607.00408v1","created_at":"2026-07-02T01:17:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.00408","created_at":"2026-07-02T01:17:42Z"},{"alias_kind":"pith_short_12","alias_value":"N7HYR3RLJ6Y4","created_at":"2026-07-02T01:17:42Z"},{"alias_kind":"pith_short_16","alias_value":"N7HYR3RLJ6Y43GXH","created_at":"2026-07-02T01:17:42Z"},{"alias_kind":"pith_short_8","alias_value":"N7HYR3RL","created_at":"2026-07-02T01:17:42Z"}],"graph_snapshots":[{"event_id":"sha256:61b4fde7405b5d755c8434980b93c35cd998682874f17aa651ac4fce2a91c8ef","target":"graph","created_at":"2026-07-02T01:17:42Z","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/2607.00408/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Spatially resolved maps of gas-phase metallicity provide key constraints on the chemical enrichment and mixing processes that drive galaxy evolution, but measurements based only on strong lines remain highly uncertain and dependent on emission-line coverage. In this work, we present a joint analysis of SITELLE observations, covering the $[O II]\\lambda\\lambda3726,3729$ doublet, with PHANGS-MUSE spectroscopy covering 4800-9300 Angstroms, including $H\\beta$, $[O III]\\lambda4959,5007$, $[N II]\\lambda6584$, $H\\alpha$, $[S II]\\lambda\\lambda6716,6731$, and $[S III]\\lambda9069$, within five nearby spi","authors_text":"Amirnezam Amiri, Brent Groves, Christopher Faesi, Daniel A. Dale, Eric Habjan, F. Fabi\\'an Rosales-Ortega, Francesco Belfiore, Hsi-An Pan, J. Eduardo M\\'endez-Delgado, Kathryn Grasha, Kathryn Kreckel, Laurie Rousseau-Nepton, Oleg V. Egorov, Ralf S. Klessen, Ryan J. Vaught, Thomas G. Williams, Timo Kravtsov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-01T04:05:56Z","title":"Exploring the synergies of $[\\mathrm{O\\,II}]\\lambda 3727$ with MUSE spectroscopy in PHANGS H II regions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.00408","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":"sha256:320e16b661a2ddcaecc68314f4f72a43f8b04c9f945017bdf4e2156ad1438b65","target":"record","created_at":"2026-07-02T01:17:42Z","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":"a41606de9f253636abc82e65bb91d8523a5341e243ab9d554e6f6f6f85cf689e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-01T04:05:56Z","title_canon_sha256":"e418112267e5c18fb325b5580300a67eccf67e1efdb88bebf98caee95c9f1fc7"},"schema_version":"1.0","source":{"id":"2607.00408","kind":"arxiv","version":1}},"canonical_sha256":"6fcf88ee2b4fb1cd9ae7a792d1862db5e6c25a15f18b40f7e3b23f98ca95a9b5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6fcf88ee2b4fb1cd9ae7a792d1862db5e6c25a15f18b40f7e3b23f98ca95a9b5","first_computed_at":"2026-07-02T01:17:42.596240Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-02T01:17:42.596240Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7WJ30gj8mBNYfdWEbhePeHIQw9TE3M6cOeF/kZJiKV6wMkpihjisB7ZHcGFShyIvG82sSsM1FG9rosDZAym+DA==","signature_status":"signed_v1","signed_at":"2026-07-02T01:17:42.596636Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.00408","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:320e16b661a2ddcaecc68314f4f72a43f8b04c9f945017bdf4e2156ad1438b65","sha256:61b4fde7405b5d755c8434980b93c35cd998682874f17aa651ac4fce2a91c8ef"],"state_sha256":"0d08b028690a5dad714bc269f0e8bdd708f0ed6123682f0d2a4ca87a061d8249"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k/cGqr8fga54wcsQRhnXCIIL53aTk3ZvgepqSCtM4rir9Jc9vLx6vAQcSiFIBD//YeYd0nkc4Wfr1BMgq/j8DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T21:04:29.739036Z","bundle_sha256":"1db1c221fa9e087518f882fb7be975f94f428cb5f26891f2a6eec96006d89623"}}