{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:EZJWBEI7NLJKAFIGVHLJ3ULM6S","short_pith_number":"pith:EZJWBEI7","canonical_record":{"source":{"id":"2607.28715","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-30T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"337366f9cbb4acbeec1759bd031cb5bb76c952c6cb1f67b0674131b7bdf2c9e4","abstract_canon_sha256":"4b80231a9292cfdd968b383b7d88836c58b3a69ce286966f6853dcb9a891f02f"},"schema_version":"1.0"},"canonical_sha256":"265360911f6ad2a01506a9d69dd16cf4be5b52d03c4d8a0037e5db558faeaa77","source":{"kind":"arxiv","id":"2607.28715","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.28715","created_at":"2026-08-03T00:12:16Z"},{"alias_kind":"arxiv_version","alias_value":"2607.28715v1","created_at":"2026-08-03T00:12:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.28715","created_at":"2026-08-03T00:12:16Z"},{"alias_kind":"pith_short_12","alias_value":"EZJWBEI7NLJK","created_at":"2026-08-03T00:12:16Z"},{"alias_kind":"pith_short_16","alias_value":"EZJWBEI7NLJKAFIG","created_at":"2026-08-03T00:12:16Z"},{"alias_kind":"pith_short_8","alias_value":"EZJWBEI7","created_at":"2026-08-03T00:12:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:EZJWBEI7NLJKAFIGVHLJ3ULM6S","target":"record","payload":{"canonical_record":{"source":{"id":"2607.28715","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-30T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"337366f9cbb4acbeec1759bd031cb5bb76c952c6cb1f67b0674131b7bdf2c9e4","abstract_canon_sha256":"4b80231a9292cfdd968b383b7d88836c58b3a69ce286966f6853dcb9a891f02f"},"schema_version":"1.0"},"canonical_sha256":"265360911f6ad2a01506a9d69dd16cf4be5b52d03c4d8a0037e5db558faeaa77","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-03T00:12:16.124727Z","signature_b64":"67cWzx/lEuLh5+jZHVN3IGefaGhOBMoNMX7IZlDcIAoWaMAq15nF9ivLOiWWQ/ZY9bRFAi8vFmaKxMGukGfgCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"265360911f6ad2a01506a9d69dd16cf4be5b52d03c4d8a0037e5db558faeaa77","last_reissued_at":"2026-08-03T00:12:16.122567Z","signature_status":"signed_v1","first_computed_at":"2026-08-03T00:12:16.122567Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.28715","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":"2026-08-03T00:12:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T82vLwOVp2hwM5lvTfdhp2/bmY2eaWM1D4O6Q+m7zYIWLzUvl+veAh2nZYKDbQW+7vdQhervg5LIQ2N2gL+TCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T00:11:50.436387Z"},"content_sha256":"564eb4ebb25c9c0efb8d225b7c000de7d8c9efcf7de93b7577f42812cc3d107e","schema_version":"1.0","event_id":"sha256:564eb4ebb25c9c0efb8d225b7c000de7d8c9efcf7de93b7577f42812cc3d107e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:EZJWBEI7NLJKAFIGVHLJ3ULM6S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Misaligned or chaotic? A strong break of axial symmetry in the local LRD J1025 revealed with VLT/FORS2 spectropolarimetry","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alessandro Marconi, Andrea Ferrara, Charlotte Simmonds, Cristina Ramos Almeida, Fengwu Sun, Francesco D'Eugenio, Fuyan Bian, Gabriele Pezzulli, Ignas Juod\\v{z}balis, Jan Scholtz, Jos\\'e A. Acosta-Pulido, Matilde Brazzini, Piero Madau, Robert G. Pascalau, Roberto Maiolino, Sandro Tacchella, Stefano Carniani, Xiaohui Fan, Xiaojing Lin, Xihan Ji, Zheng Cai","submitted_at":"2026-07-30T18:00:00Z","abstract_excerpt":"Little Red Dots (LRDs) are compact active galactic nuclei (AGN) with unusual spectral energy distributions and broad Balmer emission, candidate signposts of rapid black-hole growth. We present VLT/FORS2 optical linear spectropolarimetry of the closest known LRD, SDSS J102530.29+140207.3, at z=0.1. In total light, we detect spatially extended narrow-H$\\alpha$ emission, probably tracing the host galaxy. We measure a nearly grey continuum polarisation $p_{\\rm cont}=1.53\\pm0.04$(rand.)$\\pm$0.20(syst.) per cent, while broad H$\\alpha$ is less polarised, $p_{\\rm H\\alpha}=0.58-0.84$ per cent. We rule "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.28715","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/2607.28715/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":"2026-08-03T00:12:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EmT3LgEE82o2AAzOiZtmS3g2gERSreNAuuN4WvrV5GJBclzb27yL52n3vBaQQw3kX33XCkbpKGRd04gJq5HpBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T00:11:50.437163Z"},"content_sha256":"e62294745fb1b60a8df3667148609bb146233c3d0f7afe8c8252f912815cb8df","schema_version":"1.0","event_id":"sha256:e62294745fb1b60a8df3667148609bb146233c3d0f7afe8c8252f912815cb8df"},{"event_type":"integrity_finding","subject_pith_number":"pith:2026:EZJWBEI7NLJKAFIGVHLJ3ULM6S","target":"integrity","payload":{"note":"Identifier '10.1002/asna.200310177' is syntactically valid but the DOI registry (doi.org) returned 404, and Crossref / OpenAlex / internal corpus also have no record. The cited work could not be located through any authoritative source.","snippet":"Astronomische Nachrichten , keywords =. doi:10.1002/asna.200310177 , eprint =","arxiv_id":"2607.28715","detector":"doi_compliance","evidence":{"doi":"10.1002/asna.200310177","arxiv_id":null,"ref_index":17,"raw_excerpt":"Astronomische Nachrichten , keywords =. doi:10.1002/asna.200310177 , eprint =","parse_status":"well_formed","verdict_class":"cross_source","checked_sources":["crossref_by_doi","openalex_by_doi","doi_org_head"],"resolution_status":"hard_miss"},"severity":"critical","ref_index":17,"audited_at":"2026-08-03T00:48:53.618814Z","event_type":"pith.integrity.v1","detected_doi":"10.1002/asna.200310177","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"unresolvable_identifier","evidence_hash":"4cd8d520cf7a039b3828a8e5635c25bc32cb89afa2e15e229b73d4f4d9644b5c","paper_version":1,"verdict_class":"cross_source","resolved_title":null,"detector_version":"1.1.0","detected_arxiv_id":null,"integrity_event_id":17467,"payload_sha256":"3666066bc6e57a7216ccda48ac26fd8288fec427a6d1cf39a1123a7413051614","signature_b64":"/9PA38kjbF0CvytKG7noCq/DtKYXWzJZTSgVufQpgm7Hg5rOaTQq1YneUauVCcWwkqRYrEa5fIpbKPT9rDqiDA==","signing_key_id":"pith-v1-2026-05"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-08-03T00:53:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nKArI9OWSD17UaT9nHtTHJbDGK1+Sj/e2PooFDkhR9SmUuPp1H5dCawgcjdhT1PxtyPErypwurLQFBpUVNpkBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T00:11:50.441822Z"},"content_sha256":"31fd6e5176a1b5128cb1dca54ac6c01c97f022abea81bad0a414cfb891b8b640","schema_version":"1.0","event_id":"sha256:31fd6e5176a1b5128cb1dca54ac6c01c97f022abea81bad0a414cfb891b8b640"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EZJWBEI7NLJKAFIGVHLJ3ULM6S/bundle.json","state_url":"https://pith.science/pith/EZJWBEI7NLJKAFIGVHLJ3ULM6S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EZJWBEI7NLJKAFIGVHLJ3ULM6S/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":"2026-08-22T00:11:50Z","links":{"resolver":"https://pith.science/pith/EZJWBEI7NLJKAFIGVHLJ3ULM6S","bundle":"https://pith.science/pith/EZJWBEI7NLJKAFIGVHLJ3ULM6S/bundle.json","state":"https://pith.science/pith/EZJWBEI7NLJKAFIGVHLJ3ULM6S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EZJWBEI7NLJKAFIGVHLJ3ULM6S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:EZJWBEI7NLJKAFIGVHLJ3ULM6S","merge_version":"pith-open-graph-merge-v1","event_count":3,"valid_event_count":3,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"4b80231a9292cfdd968b383b7d88836c58b3a69ce286966f6853dcb9a891f02f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-30T18:00:00Z","title_canon_sha256":"337366f9cbb4acbeec1759bd031cb5bb76c952c6cb1f67b0674131b7bdf2c9e4"},"schema_version":"1.0","source":{"id":"2607.28715","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.28715","created_at":"2026-08-03T00:12:16Z"},{"alias_kind":"arxiv_version","alias_value":"2607.28715v1","created_at":"2026-08-03T00:12:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.28715","created_at":"2026-08-03T00:12:16Z"},{"alias_kind":"pith_short_12","alias_value":"EZJWBEI7NLJK","created_at":"2026-08-03T00:12:16Z"},{"alias_kind":"pith_short_16","alias_value":"EZJWBEI7NLJKAFIG","created_at":"2026-08-03T00:12:16Z"},{"alias_kind":"pith_short_8","alias_value":"EZJWBEI7","created_at":"2026-08-03T00:12:16Z"}],"graph_snapshots":[{"event_id":"sha256:e62294745fb1b60a8df3667148609bb146233c3d0f7afe8c8252f912815cb8df","target":"graph","created_at":"2026-08-03T00:12:16Z","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/2607.28715/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Little Red Dots (LRDs) are compact active galactic nuclei (AGN) with unusual spectral energy distributions and broad Balmer emission, candidate signposts of rapid black-hole growth. We present VLT/FORS2 optical linear spectropolarimetry of the closest known LRD, SDSS J102530.29+140207.3, at z=0.1. In total light, we detect spatially extended narrow-H$\\alpha$ emission, probably tracing the host galaxy. We measure a nearly grey continuum polarisation $p_{\\rm cont}=1.53\\pm0.04$(rand.)$\\pm$0.20(syst.) per cent, while broad H$\\alpha$ is less polarised, $p_{\\rm H\\alpha}=0.58-0.84$ per cent. We rule ","authors_text":"Alessandro Marconi, Andrea Ferrara, Charlotte Simmonds, Cristina Ramos Almeida, Fengwu Sun, Francesco D'Eugenio, Fuyan Bian, Gabriele Pezzulli, Ignas Juod\\v{z}balis, Jan Scholtz, Jos\\'e A. Acosta-Pulido, Matilde Brazzini, Piero Madau, Robert G. Pascalau, Roberto Maiolino, Sandro Tacchella, Stefano Carniani, Xiaohui Fan, Xiaojing Lin, Xihan Ji, Zheng Cai","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-30T18:00:00Z","title":"Misaligned or chaotic? A strong break of axial symmetry in the local LRD J1025 revealed with VLT/FORS2 spectropolarimetry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.28715","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":"sha256:564eb4ebb25c9c0efb8d225b7c000de7d8c9efcf7de93b7577f42812cc3d107e","target":"record","created_at":"2026-08-03T00:12:16Z","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":"4b80231a9292cfdd968b383b7d88836c58b3a69ce286966f6853dcb9a891f02f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-30T18:00:00Z","title_canon_sha256":"337366f9cbb4acbeec1759bd031cb5bb76c952c6cb1f67b0674131b7bdf2c9e4"},"schema_version":"1.0","source":{"id":"2607.28715","kind":"arxiv","version":1}},"canonical_sha256":"265360911f6ad2a01506a9d69dd16cf4be5b52d03c4d8a0037e5db558faeaa77","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"265360911f6ad2a01506a9d69dd16cf4be5b52d03c4d8a0037e5db558faeaa77","first_computed_at":"2026-08-03T00:12:16.122567Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-03T00:12:16.122567Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"67cWzx/lEuLh5+jZHVN3IGefaGhOBMoNMX7IZlDcIAoWaMAq15nF9ivLOiWWQ/ZY9bRFAi8vFmaKxMGukGfgCw==","signature_status":"signed_v1","signed_at":"2026-08-03T00:12:16.124727Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.28715","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:564eb4ebb25c9c0efb8d225b7c000de7d8c9efcf7de93b7577f42812cc3d107e","sha256:e62294745fb1b60a8df3667148609bb146233c3d0f7afe8c8252f912815cb8df","sha256:31fd6e5176a1b5128cb1dca54ac6c01c97f022abea81bad0a414cfb891b8b640"],"state_sha256":"a78bb1495a51a0f2f090677f9656f9b691b59e09ba6c8e291b16a77b44cce20e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UV8BkHb6/2ak79DMJto78fPM9+UPtPgmwJ940NKQsJZOvCISNct5x95IrARqGVsXLdluK/CkJG7on0nfCjN+BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T00:11:50.444169Z","bundle_sha256":"a3310de41324985e9dabfe44c54e72d8eeed3d4f36dd32f73dd5ad3c759193d4"}}