{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:O4AF7DHV6DAVR72UVVFKZNXMIO","short_pith_number":"pith:O4AF7DHV","canonical_record":{"source":{"id":"2605.25557","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-05-25T08:12:32Z","cross_cats_sorted":[],"title_canon_sha256":"f0ad332952070cba15727ba1d4d6e22d7d7511fa4d94a6623e79fbd7144454dc","abstract_canon_sha256":"79995f9a76d3403aeb488ce8cd994dfa7b36a30786a9c88b0befb8e341cf1bc2"},"schema_version":"1.0"},"canonical_sha256":"77005f8cf5f0c158ff54ad4aacb6ec438ba399894ad45a4bc098217d8ad13cb1","source":{"kind":"arxiv","id":"2605.25557","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.25557","created_at":"2026-05-26T02:04:42Z"},{"alias_kind":"arxiv_version","alias_value":"2605.25557v1","created_at":"2026-05-26T02:04:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.25557","created_at":"2026-05-26T02:04:42Z"},{"alias_kind":"pith_short_12","alias_value":"O4AF7DHV6DAV","created_at":"2026-05-26T02:04:42Z"},{"alias_kind":"pith_short_16","alias_value":"O4AF7DHV6DAVR72U","created_at":"2026-05-26T02:04:42Z"},{"alias_kind":"pith_short_8","alias_value":"O4AF7DHV","created_at":"2026-05-26T02:04:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:O4AF7DHV6DAVR72UVVFKZNXMIO","target":"record","payload":{"canonical_record":{"source":{"id":"2605.25557","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-05-25T08:12:32Z","cross_cats_sorted":[],"title_canon_sha256":"f0ad332952070cba15727ba1d4d6e22d7d7511fa4d94a6623e79fbd7144454dc","abstract_canon_sha256":"79995f9a76d3403aeb488ce8cd994dfa7b36a30786a9c88b0befb8e341cf1bc2"},"schema_version":"1.0"},"canonical_sha256":"77005f8cf5f0c158ff54ad4aacb6ec438ba399894ad45a4bc098217d8ad13cb1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-26T02:04:42.915457Z","signature_b64":"zQGpVg+uoVVUPHXxNxUJY+MzqGnnR9aieO+MTPGLjGISkUPupS90VShsZudUVXAaw47sPOeYZTs4+vTbz2JMBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"77005f8cf5f0c158ff54ad4aacb6ec438ba399894ad45a4bc098217d8ad13cb1","last_reissued_at":"2026-05-26T02:04:42.914586Z","signature_status":"signed_v1","first_computed_at":"2026-05-26T02:04:42.914586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.25557","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":"2026-05-26T02:04:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z/ph7g+4ao+X0GovLvZ+oAgVFVZR9wlQbuFrWbjZCj2PcTZvftq6NcwtYBw3ZV7lp2wf/efP0akHWJVyTnmWCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T08:40:28.396180Z"},"content_sha256":"b91a21fce23a10faf21a52a91198aac27437f607d28135485c6de333f70154db","schema_version":"1.0","event_id":"sha256:b91a21fce23a10faf21a52a91198aac27437f607d28135485c6de333f70154db"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:O4AF7DHV6DAVR72UVVFKZNXMIO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Gas-Phase Mass-Metallicity Relation of Dwarf Galaxies Across Large-Scale Environments Using the CAVITY Parent Sample","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Almudena Zurita, Andoni Jim\\'enez, Anna Ferr\\'e-Mateu, Bahar Bidaran, Daniel Espada, Isabel P\\'erez, Jes\\'us Falc\\'on-Barroso, Laura S\\'anchez-Menguiano, Mar\\'ia Argudo-Fern\\'andez, Pedro Villalba-Gonzalez, Reynier F. Peletier, Rub\\'en Garc\\'ia-Benito, Salvador Duarte Puertas, Sebasti\\'an F. S\\'anchez, Simon Verley, Tom\\'as Ruiz-Lara","submitted_at":"2026-05-25T08:12:32Z","abstract_excerpt":"The gas-phase mass-metallicity relation (MZR) of galaxies shows a noticeable break in slope and increased scatter at low stellar masses, suggesting that the physical processes governing chemical enrichment differ between dwarf and high-mass systems. Dwarf galaxies are highly susceptible to internal and environmental mechanisms due to shallow potential wells. We assess whether a single MZR describes dwarf galaxies across diverse large-scale environments using the CAVITY parent sample. We examine the MZR and star formation rate (SFR) of dwarfs with stellar masses 8.9 < log(M_star/M_sun) < 9.5. U"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.25557","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/2605.25557/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":"2026-05-26T02:04:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Js7TcUAn1ndbdy9A92Q5DKJ2IOUqQ51OSJtZ5hjiKMMnyqTBbNBREu3rAmnkmmAocnd1/+FDQMINOP3Ux0iYBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T08:40:28.396836Z"},"content_sha256":"77b35c13c90bf0823cbac8621e37d196680f517dd336f237d1ea36176bdf045b","schema_version":"1.0","event_id":"sha256:77b35c13c90bf0823cbac8621e37d196680f517dd336f237d1ea36176bdf045b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O4AF7DHV6DAVR72UVVFKZNXMIO/bundle.json","state_url":"https://pith.science/pith/O4AF7DHV6DAVR72UVVFKZNXMIO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O4AF7DHV6DAVR72UVVFKZNXMIO/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":"2026-05-28T08:40:28Z","links":{"resolver":"https://pith.science/pith/O4AF7DHV6DAVR72UVVFKZNXMIO","bundle":"https://pith.science/pith/O4AF7DHV6DAVR72UVVFKZNXMIO/bundle.json","state":"https://pith.science/pith/O4AF7DHV6DAVR72UVVFKZNXMIO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O4AF7DHV6DAVR72UVVFKZNXMIO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:O4AF7DHV6DAVR72UVVFKZNXMIO","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":"79995f9a76d3403aeb488ce8cd994dfa7b36a30786a9c88b0befb8e341cf1bc2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-05-25T08:12:32Z","title_canon_sha256":"f0ad332952070cba15727ba1d4d6e22d7d7511fa4d94a6623e79fbd7144454dc"},"schema_version":"1.0","source":{"id":"2605.25557","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.25557","created_at":"2026-05-26T02:04:42Z"},{"alias_kind":"arxiv_version","alias_value":"2605.25557v1","created_at":"2026-05-26T02:04:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.25557","created_at":"2026-05-26T02:04:42Z"},{"alias_kind":"pith_short_12","alias_value":"O4AF7DHV6DAV","created_at":"2026-05-26T02:04:42Z"},{"alias_kind":"pith_short_16","alias_value":"O4AF7DHV6DAVR72U","created_at":"2026-05-26T02:04:42Z"},{"alias_kind":"pith_short_8","alias_value":"O4AF7DHV","created_at":"2026-05-26T02:04:42Z"}],"graph_snapshots":[{"event_id":"sha256:77b35c13c90bf0823cbac8621e37d196680f517dd336f237d1ea36176bdf045b","target":"graph","created_at":"2026-05-26T02:04:42Z","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/2605.25557/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The gas-phase mass-metallicity relation (MZR) of galaxies shows a noticeable break in slope and increased scatter at low stellar masses, suggesting that the physical processes governing chemical enrichment differ between dwarf and high-mass systems. Dwarf galaxies are highly susceptible to internal and environmental mechanisms due to shallow potential wells. We assess whether a single MZR describes dwarf galaxies across diverse large-scale environments using the CAVITY parent sample. We examine the MZR and star formation rate (SFR) of dwarfs with stellar masses 8.9 < log(M_star/M_sun) < 9.5. U","authors_text":"Almudena Zurita, Andoni Jim\\'enez, Anna Ferr\\'e-Mateu, Bahar Bidaran, Daniel Espada, Isabel P\\'erez, Jes\\'us Falc\\'on-Barroso, Laura S\\'anchez-Menguiano, Mar\\'ia Argudo-Fern\\'andez, Pedro Villalba-Gonzalez, Reynier F. Peletier, Rub\\'en Garc\\'ia-Benito, Salvador Duarte Puertas, Sebasti\\'an F. S\\'anchez, Simon Verley, Tom\\'as Ruiz-Lara","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-05-25T08:12:32Z","title":"The Gas-Phase Mass-Metallicity Relation of Dwarf Galaxies Across Large-Scale Environments Using the CAVITY Parent Sample"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.25557","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:b91a21fce23a10faf21a52a91198aac27437f607d28135485c6de333f70154db","target":"record","created_at":"2026-05-26T02:04:42Z","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":"79995f9a76d3403aeb488ce8cd994dfa7b36a30786a9c88b0befb8e341cf1bc2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-05-25T08:12:32Z","title_canon_sha256":"f0ad332952070cba15727ba1d4d6e22d7d7511fa4d94a6623e79fbd7144454dc"},"schema_version":"1.0","source":{"id":"2605.25557","kind":"arxiv","version":1}},"canonical_sha256":"77005f8cf5f0c158ff54ad4aacb6ec438ba399894ad45a4bc098217d8ad13cb1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"77005f8cf5f0c158ff54ad4aacb6ec438ba399894ad45a4bc098217d8ad13cb1","first_computed_at":"2026-05-26T02:04:42.914586Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-26T02:04:42.914586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zQGpVg+uoVVUPHXxNxUJY+MzqGnnR9aieO+MTPGLjGISkUPupS90VShsZudUVXAaw47sPOeYZTs4+vTbz2JMBw==","signature_status":"signed_v1","signed_at":"2026-05-26T02:04:42.915457Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.25557","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b91a21fce23a10faf21a52a91198aac27437f607d28135485c6de333f70154db","sha256:77b35c13c90bf0823cbac8621e37d196680f517dd336f237d1ea36176bdf045b"],"state_sha256":"a8b82f748cadcf14afe0badc1089f92c738bd8f3ebd68c88f2143a2338839cce"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tu7k1IoYbixeCRckH1ti8x4TwwC86Fr5UG1GQG2hqyuhiNVauoITKrBWsCP3NAIdoPibw2R9TTc429MNz0HSBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T08:40:28.399807Z","bundle_sha256":"073c03897d206b58cb4afbd6ae9a22f1190a5b3206ce969589ffc137dcfdc5a5"}}