{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:SU4BOZPL2X3Y5EFO2NICICFNYX","short_pith_number":"pith:SU4BOZPL","canonical_record":{"source":{"id":"2506.07978","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-06-09T17:50:57Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"9222ce8223b9625cff17a1f9b1b62bbfd9fd532ccccbbfc5c7d36e8eccb06939","abstract_canon_sha256":"06517443e7cb09eaee6a6f5fe0d3971e028a78f027b5563c578d607cf408fa4a"},"schema_version":"1.0"},"canonical_sha256":"95381765ebd5f78e90aed3502408adc5e3a32ccb067434636d306098d6148d09","source":{"kind":"arxiv","id":"2506.07978","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.07978","created_at":"2026-07-05T11:18:36Z"},{"alias_kind":"arxiv_version","alias_value":"2506.07978v1","created_at":"2026-07-05T11:18:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.07978","created_at":"2026-07-05T11:18:36Z"},{"alias_kind":"pith_short_12","alias_value":"SU4BOZPL2X3Y","created_at":"2026-07-05T11:18:36Z"},{"alias_kind":"pith_short_16","alias_value":"SU4BOZPL2X3Y5EFO","created_at":"2026-07-05T11:18:36Z"},{"alias_kind":"pith_short_8","alias_value":"SU4BOZPL","created_at":"2026-07-05T11:18:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:SU4BOZPL2X3Y5EFO2NICICFNYX","target":"record","payload":{"canonical_record":{"source":{"id":"2506.07978","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-06-09T17:50:57Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"9222ce8223b9625cff17a1f9b1b62bbfd9fd532ccccbbfc5c7d36e8eccb06939","abstract_canon_sha256":"06517443e7cb09eaee6a6f5fe0d3971e028a78f027b5563c578d607cf408fa4a"},"schema_version":"1.0"},"canonical_sha256":"95381765ebd5f78e90aed3502408adc5e3a32ccb067434636d306098d6148d09","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:18:36.574482Z","signature_b64":"s+1x0MzaUlmdSPP0HLXvuJ7alTKVKNmZnYkkPH7r0l4GTgn9xbR0szKxh2ENWjVas3WGDWsNMOa9cq5iKAHFDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"95381765ebd5f78e90aed3502408adc5e3a32ccb067434636d306098d6148d09","last_reissued_at":"2026-07-05T11:18:36.573952Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:18:36.573952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.07978","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":"2026-07-05T11:18:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OuKpuxLD+o0f1i7PWfYdDoikSl51pzhkbdGFy81sIjUvk5rNt4Xjtv7YGIuXGo+Nyww0yZXAux+63IQG+L5ZBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T16:35:07.940038Z"},"content_sha256":"77b93373efe510dcc3ef013c4c6697dada21c7fabe3655a5ccd00a376e33b107","schema_version":"1.0","event_id":"sha256:77b93373efe510dcc3ef013c4c6697dada21c7fabe3655a5ccd00a376e33b107"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:SU4BOZPL2X3Y5EFO2NICICFNYX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Not so dark, not so dense: an alternative explanation for the lensing subhalo in SDSSJ0946+1006","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Andrew Robertson, Aristeidis Amvrosiadis, Carlos S. Frenk, James W. Nightingale, Kaihao Wang, Leo W.H. Fung, Maximilian von Wietersheim-Kramsta, Qiuhan He, Ran Li, Richard Massey, Samuel C. Lange, Shaun Cole, Shubo Li, Xianghao Ma, Xiaoyue Cao","submitted_at":"2025-06-09T17:50:57Z","abstract_excerpt":"Previous studies of the strong lens system SDSSJ0946+1006 have reported a dark matter subhalo with an unusually high central density, potentially challenging the standard cold dark matter (CDM) paradigm. However, these analyses assumed the subhalo to be completely dark, neglecting the possibility that it may host a faint galaxy. In this work, we revisit the lensing analysis of SDSSJ0946+1006, explicitly modelling the subhalo as a luminous satellite. Incorporating light from the perturber broadens the range of allowed subhalo properties, revealing solutions with significantly lower central dens"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.07978","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/2506.07978/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":"2026-07-05T11:18:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kF3tWLGh+rJ0ubYfclb3ygWUnZarMcmaUWHlPVsjlPgTNacoMXVVdWWjDeQraqeP7nJxdFUd/X2qU6gg4OCRAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T16:35:07.940568Z"},"content_sha256":"ce1d33094e1cfaa23587bc146db0cd145d3bcb9ccc88426a3377b824c0a37c78","schema_version":"1.0","event_id":"sha256:ce1d33094e1cfaa23587bc146db0cd145d3bcb9ccc88426a3377b824c0a37c78"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SU4BOZPL2X3Y5EFO2NICICFNYX/bundle.json","state_url":"https://pith.science/pith/SU4BOZPL2X3Y5EFO2NICICFNYX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SU4BOZPL2X3Y5EFO2NICICFNYX/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":"2026-08-01T16:35:07Z","links":{"resolver":"https://pith.science/pith/SU4BOZPL2X3Y5EFO2NICICFNYX","bundle":"https://pith.science/pith/SU4BOZPL2X3Y5EFO2NICICFNYX/bundle.json","state":"https://pith.science/pith/SU4BOZPL2X3Y5EFO2NICICFNYX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SU4BOZPL2X3Y5EFO2NICICFNYX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:SU4BOZPL2X3Y5EFO2NICICFNYX","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":"06517443e7cb09eaee6a6f5fe0d3971e028a78f027b5563c578d607cf408fa4a","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-06-09T17:50:57Z","title_canon_sha256":"9222ce8223b9625cff17a1f9b1b62bbfd9fd532ccccbbfc5c7d36e8eccb06939"},"schema_version":"1.0","source":{"id":"2506.07978","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.07978","created_at":"2026-07-05T11:18:36Z"},{"alias_kind":"arxiv_version","alias_value":"2506.07978v1","created_at":"2026-07-05T11:18:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.07978","created_at":"2026-07-05T11:18:36Z"},{"alias_kind":"pith_short_12","alias_value":"SU4BOZPL2X3Y","created_at":"2026-07-05T11:18:36Z"},{"alias_kind":"pith_short_16","alias_value":"SU4BOZPL2X3Y5EFO","created_at":"2026-07-05T11:18:36Z"},{"alias_kind":"pith_short_8","alias_value":"SU4BOZPL","created_at":"2026-07-05T11:18:36Z"}],"graph_snapshots":[{"event_id":"sha256:ce1d33094e1cfaa23587bc146db0cd145d3bcb9ccc88426a3377b824c0a37c78","target":"graph","created_at":"2026-07-05T11:18:36Z","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/2506.07978/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Previous studies of the strong lens system SDSSJ0946+1006 have reported a dark matter subhalo with an unusually high central density, potentially challenging the standard cold dark matter (CDM) paradigm. However, these analyses assumed the subhalo to be completely dark, neglecting the possibility that it may host a faint galaxy. In this work, we revisit the lensing analysis of SDSSJ0946+1006, explicitly modelling the subhalo as a luminous satellite. Incorporating light from the perturber broadens the range of allowed subhalo properties, revealing solutions with significantly lower central dens","authors_text":"Andrew Robertson, Aristeidis Amvrosiadis, Carlos S. Frenk, James W. Nightingale, Kaihao Wang, Leo W.H. Fung, Maximilian von Wietersheim-Kramsta, Qiuhan He, Ran Li, Richard Massey, Samuel C. Lange, Shaun Cole, Shubo Li, Xianghao Ma, Xiaoyue Cao","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-06-09T17:50:57Z","title":"Not so dark, not so dense: an alternative explanation for the lensing subhalo in SDSSJ0946+1006"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.07978","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":"sha256:77b93373efe510dcc3ef013c4c6697dada21c7fabe3655a5ccd00a376e33b107","target":"record","created_at":"2026-07-05T11:18:36Z","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":"06517443e7cb09eaee6a6f5fe0d3971e028a78f027b5563c578d607cf408fa4a","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-06-09T17:50:57Z","title_canon_sha256":"9222ce8223b9625cff17a1f9b1b62bbfd9fd532ccccbbfc5c7d36e8eccb06939"},"schema_version":"1.0","source":{"id":"2506.07978","kind":"arxiv","version":1}},"canonical_sha256":"95381765ebd5f78e90aed3502408adc5e3a32ccb067434636d306098d6148d09","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"95381765ebd5f78e90aed3502408adc5e3a32ccb067434636d306098d6148d09","first_computed_at":"2026-07-05T11:18:36.573952Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:18:36.573952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s+1x0MzaUlmdSPP0HLXvuJ7alTKVKNmZnYkkPH7r0l4GTgn9xbR0szKxh2ENWjVas3WGDWsNMOa9cq5iKAHFDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:18:36.574482Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.07978","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:77b93373efe510dcc3ef013c4c6697dada21c7fabe3655a5ccd00a376e33b107","sha256:ce1d33094e1cfaa23587bc146db0cd145d3bcb9ccc88426a3377b824c0a37c78"],"state_sha256":"81f1164fc49707a91fa652f51adacac52a5567ef9848db6534ab7cea2ae194e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oN2VcSM0dbjW1XH/iXrmhNzhAPzWzCdBM49YCctxoDBvGVSwfo6Unw+PRfCYk1RCo50JNjgcAn/DHLefGknxCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T16:35:07.945559Z","bundle_sha256":"18a3ea888cc67021180a75beedbbd54f75ae8bd10839c9b7ca8890dacd4e10e1"}}