{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:YKCTHKQGRUFD6I7KLCYQ3JX57L","short_pith_number":"pith:YKCTHKQG","canonical_record":{"source":{"id":"2606.18230","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-16T17:55:05Z","cross_cats_sorted":[],"title_canon_sha256":"6f5e973287ceace2436300cfb1f44c80612db5e6fa8198400d17e83217c15259","abstract_canon_sha256":"6f500a54e10868fc744984566344a9971e66fe8c63263a8c86d95afe36dbf6db"},"schema_version":"1.0"},"canonical_sha256":"c28533aa068d0a3f23ea58b10da6fdfad201dc9173d183f5fad8b428d66a785e","source":{"kind":"arxiv","id":"2606.18230","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18230","created_at":"2026-06-19T16:10:51Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18230v1","created_at":"2026-06-19T16:10:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18230","created_at":"2026-06-19T16:10:51Z"},{"alias_kind":"pith_short_12","alias_value":"YKCTHKQGRUFD","created_at":"2026-06-19T16:10:51Z"},{"alias_kind":"pith_short_16","alias_value":"YKCTHKQGRUFD6I7K","created_at":"2026-06-19T16:10:51Z"},{"alias_kind":"pith_short_8","alias_value":"YKCTHKQG","created_at":"2026-06-19T16:10:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:YKCTHKQGRUFD6I7KLCYQ3JX57L","target":"record","payload":{"canonical_record":{"source":{"id":"2606.18230","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-16T17:55:05Z","cross_cats_sorted":[],"title_canon_sha256":"6f5e973287ceace2436300cfb1f44c80612db5e6fa8198400d17e83217c15259","abstract_canon_sha256":"6f500a54e10868fc744984566344a9971e66fe8c63263a8c86d95afe36dbf6db"},"schema_version":"1.0"},"canonical_sha256":"c28533aa068d0a3f23ea58b10da6fdfad201dc9173d183f5fad8b428d66a785e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:10:51.720058Z","signature_b64":"64Kkk8Sgoa8hx0fsWQn0C968QPlVmgi1nW/tBK63fV/05UPdp/bCiETXNxllhbYsY7QsXmDaNqX9Zit2WwJPDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c28533aa068d0a3f23ea58b10da6fdfad201dc9173d183f5fad8b428d66a785e","last_reissued_at":"2026-06-19T16:10:51.719690Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:10:51.719690Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.18230","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":"2026-06-19T16:10:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T0sHN/A3LaTSGtwcUdPMgoHCggd18auMSGPxBF5zS/RO8z21Wd9uPccsP2EXLxnCUMUQ/rA6aZ/plR7B1BtVBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T11:06:56.549075Z"},"content_sha256":"5b68e57e13b4a2eaeaf4fb906db8e4a73aaef7e7b2811d01de53343626a27796","schema_version":"1.0","event_id":"sha256:5b68e57e13b4a2eaeaf4fb906db8e4a73aaef7e7b2811d01de53343626a27796"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:YKCTHKQGRUFD6I7KLCYQ3JX57L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PAHSPECS: Polycyclic aromatic hydrocarbon properties at cosmic noon with JWST/MIRI MRS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Cristina Maria Lofaro, Fabian Walter, Fergus R. Donnan, Fr\\'ed\\'eric Galliano, Gerg\\\"o Popping, G\\\"oran \\\"Ostlin, Hanae Inami, Irene Shivaei, Karin Sandstrom, Leindert A. Boogaard, Manuel Aravena, Pablo G. P\\'erez-Gonz\\'alez, Paul van der Werf, Roberto Decarli, Rom\\'an Fern\\'andez Aranda, Tanio D\\'iaz Santos","submitted_at":"2026-06-16T17:55:05Z","abstract_excerpt":"Context. Cosmic noon (z ~ 1-3) marks the peak of the cosmic star-formation rate density, when dust-obscured star formation dominated galaxy growth. Mid-infrared spectroscopy probes the interstellar medium through PAH emission, whose band ratios trace PAH charge, size, and local radiation-field conditions. Aims. We characterize the PAH properties of five z ~ 1.1 star-forming galaxies from the PAHSPECS survey and investigate how their PAH luminosities and band ratios relate to global galaxy properties. We compare them with local luminous infrared galaxies (LIRGs) to assess whether PAH emission a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18230","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/2606.18230/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":"2026-06-19T16:10:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KgaitEVM7PxpI8wdODChlgYnVeFFBUKShkfBW552P+2hQvofbx7uBO/k6kNXzdVU4ZsCeo9bchhXhTi7SxINBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T11:06:56.549457Z"},"content_sha256":"39363e6bb3e1ebfb356c2e6385848c68a941299e64704e3f6d12282c937a22a3","schema_version":"1.0","event_id":"sha256:39363e6bb3e1ebfb356c2e6385848c68a941299e64704e3f6d12282c937a22a3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YKCTHKQGRUFD6I7KLCYQ3JX57L/bundle.json","state_url":"https://pith.science/pith/YKCTHKQGRUFD6I7KLCYQ3JX57L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YKCTHKQGRUFD6I7KLCYQ3JX57L/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":"2026-06-27T11:06:56Z","links":{"resolver":"https://pith.science/pith/YKCTHKQGRUFD6I7KLCYQ3JX57L","bundle":"https://pith.science/pith/YKCTHKQGRUFD6I7KLCYQ3JX57L/bundle.json","state":"https://pith.science/pith/YKCTHKQGRUFD6I7KLCYQ3JX57L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YKCTHKQGRUFD6I7KLCYQ3JX57L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:YKCTHKQGRUFD6I7KLCYQ3JX57L","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":"6f500a54e10868fc744984566344a9971e66fe8c63263a8c86d95afe36dbf6db","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-16T17:55:05Z","title_canon_sha256":"6f5e973287ceace2436300cfb1f44c80612db5e6fa8198400d17e83217c15259"},"schema_version":"1.0","source":{"id":"2606.18230","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18230","created_at":"2026-06-19T16:10:51Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18230v1","created_at":"2026-06-19T16:10:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18230","created_at":"2026-06-19T16:10:51Z"},{"alias_kind":"pith_short_12","alias_value":"YKCTHKQGRUFD","created_at":"2026-06-19T16:10:51Z"},{"alias_kind":"pith_short_16","alias_value":"YKCTHKQGRUFD6I7K","created_at":"2026-06-19T16:10:51Z"},{"alias_kind":"pith_short_8","alias_value":"YKCTHKQG","created_at":"2026-06-19T16:10:51Z"}],"graph_snapshots":[{"event_id":"sha256:39363e6bb3e1ebfb356c2e6385848c68a941299e64704e3f6d12282c937a22a3","target":"graph","created_at":"2026-06-19T16:10:51Z","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/2606.18230/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Context. Cosmic noon (z ~ 1-3) marks the peak of the cosmic star-formation rate density, when dust-obscured star formation dominated galaxy growth. Mid-infrared spectroscopy probes the interstellar medium through PAH emission, whose band ratios trace PAH charge, size, and local radiation-field conditions. Aims. We characterize the PAH properties of five z ~ 1.1 star-forming galaxies from the PAHSPECS survey and investigate how their PAH luminosities and band ratios relate to global galaxy properties. We compare them with local luminous infrared galaxies (LIRGs) to assess whether PAH emission a","authors_text":"Cristina Maria Lofaro, Fabian Walter, Fergus R. Donnan, Fr\\'ed\\'eric Galliano, Gerg\\\"o Popping, G\\\"oran \\\"Ostlin, Hanae Inami, Irene Shivaei, Karin Sandstrom, Leindert A. Boogaard, Manuel Aravena, Pablo G. P\\'erez-Gonz\\'alez, Paul van der Werf, Roberto Decarli, Rom\\'an Fern\\'andez Aranda, Tanio D\\'iaz Santos","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-16T17:55:05Z","title":"PAHSPECS: Polycyclic aromatic hydrocarbon properties at cosmic noon with JWST/MIRI MRS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18230","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":"sha256:5b68e57e13b4a2eaeaf4fb906db8e4a73aaef7e7b2811d01de53343626a27796","target":"record","created_at":"2026-06-19T16:10:51Z","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":"6f500a54e10868fc744984566344a9971e66fe8c63263a8c86d95afe36dbf6db","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-16T17:55:05Z","title_canon_sha256":"6f5e973287ceace2436300cfb1f44c80612db5e6fa8198400d17e83217c15259"},"schema_version":"1.0","source":{"id":"2606.18230","kind":"arxiv","version":1}},"canonical_sha256":"c28533aa068d0a3f23ea58b10da6fdfad201dc9173d183f5fad8b428d66a785e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c28533aa068d0a3f23ea58b10da6fdfad201dc9173d183f5fad8b428d66a785e","first_computed_at":"2026-06-19T16:10:51.719690Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:10:51.719690Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"64Kkk8Sgoa8hx0fsWQn0C968QPlVmgi1nW/tBK63fV/05UPdp/bCiETXNxllhbYsY7QsXmDaNqX9Zit2WwJPDw==","signature_status":"signed_v1","signed_at":"2026-06-19T16:10:51.720058Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.18230","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5b68e57e13b4a2eaeaf4fb906db8e4a73aaef7e7b2811d01de53343626a27796","sha256:39363e6bb3e1ebfb356c2e6385848c68a941299e64704e3f6d12282c937a22a3"],"state_sha256":"29baca8d52dc9b8bea93fa1b59b86a66f818dc5f524a01c5cea65f7076661dfe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H6HpswswYRzL8QHRFL1CHrFQTn7ZdXQfMIBydVQOPMBETKxZVNCMt0Krw7yLlnqL1wO9qPJjG9MbGhuowU+rBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T11:06:56.551447Z","bundle_sha256":"07ab381ac0652f143065c6701ca9a436077e69a3436a9450dae8456b3481b6d2"}}