{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:R4R6XQCIG6RRKAVBVKUW4RYLOJ","short_pith_number":"pith:R4R6XQCI","canonical_record":{"source":{"id":"2010.02219","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-10-05T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"1351612fd5fef36c8bf77a7f81d600e84f9790f7ebae8813cc3ea070f80fd38b","abstract_canon_sha256":"12f718dff82bf7876f2524a8a6aa4af82b0a7cf9826f2f3bb14a05c5cc4b39fd"},"schema_version":"1.0"},"canonical_sha256":"8f23ebc04837a31502a1aaa96e470b726bc8e87e7f7af2f07ec4a621ecb59b88","source":{"kind":"arxiv","id":"2010.02219","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.02219","created_at":"2026-07-05T02:07:50Z"},{"alias_kind":"arxiv_version","alias_value":"2010.02219v2","created_at":"2026-07-05T02:07:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.02219","created_at":"2026-07-05T02:07:50Z"},{"alias_kind":"pith_short_12","alias_value":"R4R6XQCIG6RR","created_at":"2026-07-05T02:07:50Z"},{"alias_kind":"pith_short_16","alias_value":"R4R6XQCIG6RRKAVB","created_at":"2026-07-05T02:07:50Z"},{"alias_kind":"pith_short_8","alias_value":"R4R6XQCI","created_at":"2026-07-05T02:07:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:R4R6XQCIG6RRKAVBVKUW4RYLOJ","target":"record","payload":{"canonical_record":{"source":{"id":"2010.02219","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-10-05T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"1351612fd5fef36c8bf77a7f81d600e84f9790f7ebae8813cc3ea070f80fd38b","abstract_canon_sha256":"12f718dff82bf7876f2524a8a6aa4af82b0a7cf9826f2f3bb14a05c5cc4b39fd"},"schema_version":"1.0"},"canonical_sha256":"8f23ebc04837a31502a1aaa96e470b726bc8e87e7f7af2f07ec4a621ecb59b88","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:07:50.289381Z","signature_b64":"2pQz6lQqyRjPFGTbA8ecyiW9pDswQdqtXQa08rIO42xXkCUJSrSguj5atAbUdIQiIxsE5JlkQRseQI99nEk/AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8f23ebc04837a31502a1aaa96e470b726bc8e87e7f7af2f07ec4a621ecb59b88","last_reissued_at":"2026-07-05T02:07:50.288887Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:07:50.288887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2010.02219","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:07:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J5DjyOZGfuf0y6n1FLeCDTTJkCLm4xV6Or8NBhtPI/eAtrjrrpFqoNMoSoMxIGMoOdGurdkBC01vM4EBDspkAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T15:56:04.341351Z"},"content_sha256":"f1c3dbb8c2e7ce30ba014b5fcb7d234045e060501a0f2b913445f904ced78be2","schema_version":"1.0","event_id":"sha256:f1c3dbb8c2e7ce30ba014b5fcb7d234045e060501a0f2b913445f904ced78be2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:R4R6XQCIG6RRKAVBVKUW4RYLOJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dark-matter-deficient dwarf galaxies form via tidal stripping of dark matter in interactions with massive companions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Slyz, C. Pichon, G. Martin, H. Choi, J. E. G. Devriendt, J. Silk, K. Kraljic, M. Volonteri, R. A. Jackson, S. Kaviraj, S. K. Yi, S. Peirani, T. Kimm, Y. Dubois","submitted_at":"2020-10-05T18:00:01Z","abstract_excerpt":"In the standard Lambda-CDM paradigm, dwarf galaxies are expected to be dark-matter-rich, as baryonic feedback is thought to quickly drive gas out of their shallow potential wells and quench star formation at early epochs. Recent observations of local dwarfs with extremely low dark matter content appear to contradict this picture, potentially bringing the validity of the standard model into question. We use NewHorizon, a high-resolution cosmological simulation, to demonstrate that sustained stripping of dark matter, in tidal interactions between a massive galaxy and a dwarf satellite, naturally"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.02219","kind":"arxiv","version":2},"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/2010.02219/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":"2026-07-05T02:07:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rHjrirEq2PoYjsdg2JynoGa2Mr2aYsTWX8xlqnrEVdvEXAhzGN/qx2xqpoScpPYRgxEADuk3dFDMyUCPyuxQAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T15:56:04.341856Z"},"content_sha256":"300a81d66ac8a587c26e0091d3072d72815bb28a2c36849efda5613a7aeda21e","schema_version":"1.0","event_id":"sha256:300a81d66ac8a587c26e0091d3072d72815bb28a2c36849efda5613a7aeda21e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R4R6XQCIG6RRKAVBVKUW4RYLOJ/bundle.json","state_url":"https://pith.science/pith/R4R6XQCIG6RRKAVBVKUW4RYLOJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R4R6XQCIG6RRKAVBVKUW4RYLOJ/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":"2026-08-03T15:56:04Z","links":{"resolver":"https://pith.science/pith/R4R6XQCIG6RRKAVBVKUW4RYLOJ","bundle":"https://pith.science/pith/R4R6XQCIG6RRKAVBVKUW4RYLOJ/bundle.json","state":"https://pith.science/pith/R4R6XQCIG6RRKAVBVKUW4RYLOJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R4R6XQCIG6RRKAVBVKUW4RYLOJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:R4R6XQCIG6RRKAVBVKUW4RYLOJ","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":"12f718dff82bf7876f2524a8a6aa4af82b0a7cf9826f2f3bb14a05c5cc4b39fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-10-05T18:00:01Z","title_canon_sha256":"1351612fd5fef36c8bf77a7f81d600e84f9790f7ebae8813cc3ea070f80fd38b"},"schema_version":"1.0","source":{"id":"2010.02219","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.02219","created_at":"2026-07-05T02:07:50Z"},{"alias_kind":"arxiv_version","alias_value":"2010.02219v2","created_at":"2026-07-05T02:07:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.02219","created_at":"2026-07-05T02:07:50Z"},{"alias_kind":"pith_short_12","alias_value":"R4R6XQCIG6RR","created_at":"2026-07-05T02:07:50Z"},{"alias_kind":"pith_short_16","alias_value":"R4R6XQCIG6RRKAVB","created_at":"2026-07-05T02:07:50Z"},{"alias_kind":"pith_short_8","alias_value":"R4R6XQCI","created_at":"2026-07-05T02:07:50Z"}],"graph_snapshots":[{"event_id":"sha256:300a81d66ac8a587c26e0091d3072d72815bb28a2c36849efda5613a7aeda21e","target":"graph","created_at":"2026-07-05T02:07:50Z","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/2010.02219/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In the standard Lambda-CDM paradigm, dwarf galaxies are expected to be dark-matter-rich, as baryonic feedback is thought to quickly drive gas out of their shallow potential wells and quench star formation at early epochs. Recent observations of local dwarfs with extremely low dark matter content appear to contradict this picture, potentially bringing the validity of the standard model into question. We use NewHorizon, a high-resolution cosmological simulation, to demonstrate that sustained stripping of dark matter, in tidal interactions between a massive galaxy and a dwarf satellite, naturally","authors_text":"A. Slyz, C. Pichon, G. Martin, H. Choi, J. E. G. Devriendt, J. Silk, K. Kraljic, M. Volonteri, R. A. Jackson, S. Kaviraj, S. K. Yi, S. Peirani, T. Kimm, Y. Dubois","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-10-05T18:00:01Z","title":"Dark-matter-deficient dwarf galaxies form via tidal stripping of dark matter in interactions with massive companions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.02219","kind":"arxiv","version":2},"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:f1c3dbb8c2e7ce30ba014b5fcb7d234045e060501a0f2b913445f904ced78be2","target":"record","created_at":"2026-07-05T02:07:50Z","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":"12f718dff82bf7876f2524a8a6aa4af82b0a7cf9826f2f3bb14a05c5cc4b39fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-10-05T18:00:01Z","title_canon_sha256":"1351612fd5fef36c8bf77a7f81d600e84f9790f7ebae8813cc3ea070f80fd38b"},"schema_version":"1.0","source":{"id":"2010.02219","kind":"arxiv","version":2}},"canonical_sha256":"8f23ebc04837a31502a1aaa96e470b726bc8e87e7f7af2f07ec4a621ecb59b88","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8f23ebc04837a31502a1aaa96e470b726bc8e87e7f7af2f07ec4a621ecb59b88","first_computed_at":"2026-07-05T02:07:50.288887Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:07:50.288887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2pQz6lQqyRjPFGTbA8ecyiW9pDswQdqtXQa08rIO42xXkCUJSrSguj5atAbUdIQiIxsE5JlkQRseQI99nEk/AA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:07:50.289381Z","signed_message":"canonical_sha256_bytes"},"source_id":"2010.02219","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f1c3dbb8c2e7ce30ba014b5fcb7d234045e060501a0f2b913445f904ced78be2","sha256:300a81d66ac8a587c26e0091d3072d72815bb28a2c36849efda5613a7aeda21e"],"state_sha256":"88365117e69a37f88482c2b15c1c137d6460ce2a6fec6d0c754e21427501601b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5cg/hORirJOmvpqIiO6171ZK6eU6myKSqgrPMcOa8Sy2s2bBRyxGIGlJqDVBQgx8jYZ1DjV0R4UjkA+qTKlOAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T15:56:04.345622Z","bundle_sha256":"e279c41f98d143fd0e93097d733ef9bbf75a1475eb6c18e0d7bc346ceb27827a"}}