{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:GZDJA3GUA3GKCSEE6RBQRP2SWX","short_pith_number":"pith:GZDJA3GU","canonical_record":{"source":{"id":"2606.21614","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-19T17:18:13Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"22b7413f85efdcdaf0fede31ce75df2e724741a215142c40e034bc9b14680ccb","abstract_canon_sha256":"196cfd7ef11974f58935d06110640dc854303be42464eb9aea93d31540b87cc3"},"schema_version":"1.0"},"canonical_sha256":"3646906cd406cca14884f44308bf52b5ed293d9575821cbb41cf80fa55d8e27a","source":{"kind":"arxiv","id":"2606.21614","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.21614","created_at":"2026-06-23T01:13:16Z"},{"alias_kind":"arxiv_version","alias_value":"2606.21614v1","created_at":"2026-06-23T01:13:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.21614","created_at":"2026-06-23T01:13:16Z"},{"alias_kind":"pith_short_12","alias_value":"GZDJA3GUA3GK","created_at":"2026-06-23T01:13:16Z"},{"alias_kind":"pith_short_16","alias_value":"GZDJA3GUA3GKCSEE","created_at":"2026-06-23T01:13:16Z"},{"alias_kind":"pith_short_8","alias_value":"GZDJA3GU","created_at":"2026-06-23T01:13:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:GZDJA3GUA3GKCSEE6RBQRP2SWX","target":"record","payload":{"canonical_record":{"source":{"id":"2606.21614","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-19T17:18:13Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"22b7413f85efdcdaf0fede31ce75df2e724741a215142c40e034bc9b14680ccb","abstract_canon_sha256":"196cfd7ef11974f58935d06110640dc854303be42464eb9aea93d31540b87cc3"},"schema_version":"1.0"},"canonical_sha256":"3646906cd406cca14884f44308bf52b5ed293d9575821cbb41cf80fa55d8e27a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-23T01:13:16.525674Z","signature_b64":"A8nOzh0r1e5TZYoXZ3jQHGUsg96pu+PuWLT44hKkuTmuNmwSgwkCfQR3lMOuFlCTillvBW8OjWW++79BCL84Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3646906cd406cca14884f44308bf52b5ed293d9575821cbb41cf80fa55d8e27a","last_reissued_at":"2026-06-23T01:13:16.525132Z","signature_status":"signed_v1","first_computed_at":"2026-06-23T01:13:16.525132Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.21614","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":"2026-06-23T01:13:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hkso8xI47qLEmTyhiYtqGx+n1oc3AFJiR4sEdksYvGAaXjhHcUmS9p7zMpxXDspnaJfUr7l3YsrVIP3XmaJhDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T18:46:28.119183Z"},"content_sha256":"17db3d0f3c0bb3cecaeae588460d8ea8872203880210238f17b520df89b2d467","schema_version":"1.0","event_id":"sha256:17db3d0f3c0bb3cecaeae588460d8ea8872203880210238f17b520df89b2d467"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:GZDJA3GUA3GKCSEE6RBQRP2SWX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Little Red and Blue Dots: AGN-excited narrow lines, Lyman-$\\alpha$ emission, and resemblance to standard quasars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Andrea Comastri, Andrew J. Bunker, Anishya Harshan, Brant Robertson, Cristian Vignali, Cristina Ramos Almeida, Eleonora Parlanti, Emma Curtis Lake, Fabio Vito, Francesco D'Eugenio, Gareth Jones, Giacomo Venturi, Giorgio Lanzuisi, Giovanni Mazzolari, Guido Risaliti, Hannah \\\"Ubler, Ignas Juod\\v{z}balis, Jan Scholtz, Kevin Hainline, Laura Pentericci, Lorenzo Napolitano, Maddie S. Silcock, Marcella Brusa, Matilde Brazzini, Mirko Curti, Pierluigi Rinaldi, Piero Madau, Roberta Tripodi, Roberto Gilli, Roberto Maiolino, Sophia Geris, Stefano Carniani, Stefano Marchesi, Stephane Charlot, William Baker, Xihan Ji, Yongda Zhu, Yuki Isobe","submitted_at":"2026-06-19T17:18:13Z","abstract_excerpt":"We present an analysis of a sample of 36 Little Red and Blue Dots (LRDs and LBDs) at $2.26<z<7.89$, identified by JWST in the GOODS fields. While both categories are selected to have broad Balmer lines, both of them are extremely X-ray weak. Both classes share the same location on various diagnostic diagrams, consistent with AGN excitation (with some deviations which can be ascribed to low metallicity), although their weak HeII emission suggests a generally softer ionizing spectrum than ordinary AGN. LRDs display Ly$\\alpha$ emission stronger than normal star-forming galaxies, and with a broad "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.21614","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/2606.21614/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":"2026-06-23T01:13:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YV4Bu1+gWVsoMeT16VxzHQlVSPRlnAVK3zx+dsVlTGbkSofNr83l8xosjsxBXPdMOyKAWfI09YWz85KVM4n+CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T18:46:28.119571Z"},"content_sha256":"c60737356e63cf58b303f676b21f2c5125f96ad50a6fc438f565b1d31e28a701","schema_version":"1.0","event_id":"sha256:c60737356e63cf58b303f676b21f2c5125f96ad50a6fc438f565b1d31e28a701"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GZDJA3GUA3GKCSEE6RBQRP2SWX/bundle.json","state_url":"https://pith.science/pith/GZDJA3GUA3GKCSEE6RBQRP2SWX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GZDJA3GUA3GKCSEE6RBQRP2SWX/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":"2026-06-26T18:46:28Z","links":{"resolver":"https://pith.science/pith/GZDJA3GUA3GKCSEE6RBQRP2SWX","bundle":"https://pith.science/pith/GZDJA3GUA3GKCSEE6RBQRP2SWX/bundle.json","state":"https://pith.science/pith/GZDJA3GUA3GKCSEE6RBQRP2SWX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GZDJA3GUA3GKCSEE6RBQRP2SWX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:GZDJA3GUA3GKCSEE6RBQRP2SWX","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":"196cfd7ef11974f58935d06110640dc854303be42464eb9aea93d31540b87cc3","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-19T17:18:13Z","title_canon_sha256":"22b7413f85efdcdaf0fede31ce75df2e724741a215142c40e034bc9b14680ccb"},"schema_version":"1.0","source":{"id":"2606.21614","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.21614","created_at":"2026-06-23T01:13:16Z"},{"alias_kind":"arxiv_version","alias_value":"2606.21614v1","created_at":"2026-06-23T01:13:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.21614","created_at":"2026-06-23T01:13:16Z"},{"alias_kind":"pith_short_12","alias_value":"GZDJA3GUA3GK","created_at":"2026-06-23T01:13:16Z"},{"alias_kind":"pith_short_16","alias_value":"GZDJA3GUA3GKCSEE","created_at":"2026-06-23T01:13:16Z"},{"alias_kind":"pith_short_8","alias_value":"GZDJA3GU","created_at":"2026-06-23T01:13:16Z"}],"graph_snapshots":[{"event_id":"sha256:c60737356e63cf58b303f676b21f2c5125f96ad50a6fc438f565b1d31e28a701","target":"graph","created_at":"2026-06-23T01:13:16Z","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/2606.21614/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present an analysis of a sample of 36 Little Red and Blue Dots (LRDs and LBDs) at $2.26<z<7.89$, identified by JWST in the GOODS fields. While both categories are selected to have broad Balmer lines, both of them are extremely X-ray weak. Both classes share the same location on various diagnostic diagrams, consistent with AGN excitation (with some deviations which can be ascribed to low metallicity), although their weak HeII emission suggests a generally softer ionizing spectrum than ordinary AGN. LRDs display Ly$\\alpha$ emission stronger than normal star-forming galaxies, and with a broad ","authors_text":"Andrea Comastri, Andrew J. Bunker, Anishya Harshan, Brant Robertson, Cristian Vignali, Cristina Ramos Almeida, Eleonora Parlanti, Emma Curtis Lake, Fabio Vito, Francesco D'Eugenio, Gareth Jones, Giacomo Venturi, Giorgio Lanzuisi, Giovanni Mazzolari, Guido Risaliti, Hannah \\\"Ubler, Ignas Juod\\v{z}balis, Jan Scholtz, Kevin Hainline, Laura Pentericci, Lorenzo Napolitano, Maddie S. Silcock, Marcella Brusa, Matilde Brazzini, Mirko Curti, Pierluigi Rinaldi, Piero Madau, Roberta Tripodi, Roberto Gilli, Roberto Maiolino, Sophia Geris, Stefano Carniani, Stefano Marchesi, Stephane Charlot, William Baker, Xihan Ji, Yongda Zhu, Yuki Isobe","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-19T17:18:13Z","title":"Little Red and Blue Dots: AGN-excited narrow lines, Lyman-$\\alpha$ emission, and resemblance to standard quasars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.21614","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":"sha256:17db3d0f3c0bb3cecaeae588460d8ea8872203880210238f17b520df89b2d467","target":"record","created_at":"2026-06-23T01:13:16Z","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":"196cfd7ef11974f58935d06110640dc854303be42464eb9aea93d31540b87cc3","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-19T17:18:13Z","title_canon_sha256":"22b7413f85efdcdaf0fede31ce75df2e724741a215142c40e034bc9b14680ccb"},"schema_version":"1.0","source":{"id":"2606.21614","kind":"arxiv","version":1}},"canonical_sha256":"3646906cd406cca14884f44308bf52b5ed293d9575821cbb41cf80fa55d8e27a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3646906cd406cca14884f44308bf52b5ed293d9575821cbb41cf80fa55d8e27a","first_computed_at":"2026-06-23T01:13:16.525132Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-23T01:13:16.525132Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A8nOzh0r1e5TZYoXZ3jQHGUsg96pu+PuWLT44hKkuTmuNmwSgwkCfQR3lMOuFlCTillvBW8OjWW++79BCL84Dg==","signature_status":"signed_v1","signed_at":"2026-06-23T01:13:16.525674Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.21614","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:17db3d0f3c0bb3cecaeae588460d8ea8872203880210238f17b520df89b2d467","sha256:c60737356e63cf58b303f676b21f2c5125f96ad50a6fc438f565b1d31e28a701"],"state_sha256":"7cb9bc2698505785f8bc8f7e87fdf67f50d107ac132b743a811294e47be62281"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mEOi7igE7GGwXIpxjmXJGVvALlUkjlSXJkGPdPbPfzkCDSo3U9LZLCBzDiurP33ReMSg8NS1S2pP5ILlEnwlDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T18:46:28.121587Z","bundle_sha256":"1f584891592904279e742913168799f484eeb21ce122392d2f129db89997a5d1"}}