{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:HB3NTSVKKJCI5RV5JUEZHGQ7I3","short_pith_number":"pith:HB3NTSVK","canonical_record":{"source":{"id":"1810.11468","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-10-26T18:00:14Z","cross_cats_sorted":["astro-ph.CO","hep-ex","hep-ph"],"title_canon_sha256":"5d73e8980bb5b41077cb3c33623f1eddd4cd05cebea9e81136eeac3b1c1bff69","abstract_canon_sha256":"26c47eb99436d760ccb4cbd3aab3413f5265617ceddb52da46973e1c3549be7e"},"schema_version":"1.0"},"canonical_sha256":"3876d9caaa52448ec6bd4d09939a1f46fe50c575c258a29e6310021c03e3b869","source":{"kind":"arxiv","id":"1810.11468","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.11468","created_at":"2026-05-17T23:57:14Z"},{"alias_kind":"arxiv_version","alias_value":"1810.11468v2","created_at":"2026-05-17T23:57:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.11468","created_at":"2026-05-17T23:57:14Z"},{"alias_kind":"pith_short_12","alias_value":"HB3NTSVKKJCI","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HB3NTSVKKJCI5RV5","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HB3NTSVK","created_at":"2026-05-18T12:32:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:HB3NTSVKKJCI5RV5JUEZHGQ7I3","target":"record","payload":{"canonical_record":{"source":{"id":"1810.11468","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-10-26T18:00:14Z","cross_cats_sorted":["astro-ph.CO","hep-ex","hep-ph"],"title_canon_sha256":"5d73e8980bb5b41077cb3c33623f1eddd4cd05cebea9e81136eeac3b1c1bff69","abstract_canon_sha256":"26c47eb99436d760ccb4cbd3aab3413f5265617ceddb52da46973e1c3549be7e"},"schema_version":"1.0"},"canonical_sha256":"3876d9caaa52448ec6bd4d09939a1f46fe50c575c258a29e6310021c03e3b869","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:14.807714Z","signature_b64":"n/llUMdvUfU1bA9lKBHO3wF37YY1LcYopsDjO57gDtOJT2aGpRM3sdY+uhJeJTLiFJs3V8Z5vrYxNgZgmVxaCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3876d9caaa52448ec6bd4d09939a1f46fe50c575c258a29e6310021c03e3b869","last_reissued_at":"2026-05-17T23:57:14.807138Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:14.807138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.11468","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":"2026-05-17T23:57:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ffuep8OB/ZGOuHqqSLI4MrebDnXW/v6yF3Orh+egvCRNwD3sQ4WWeskM/3Bsw9P7eVvDXMxWDo69YcSFn+tLCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T20:11:39.164417Z"},"content_sha256":"2310f910a26c1737adeaf2ccdf56f4b52dee8aaebb587cd56c02a2fd5d9522ae","schema_version":"1.0","event_id":"sha256:2310f910a26c1737adeaf2ccdf56f4b52dee8aaebb587cd56c02a2fd5d9522ae"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:HB3NTSVKKJCI5RV5JUEZHGQ7I3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SHM$^{++}$: A Refinement of the Standard Halo Model for Dark Matter Searches in Light of the Gaia Sausage","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ex","hep-ph"],"primary_cat":"astro-ph.GA","authors_text":"(2) Zaragoza, (3) KCL), Cambridge, Christopher McCabe (3) ((1), Ciaran A.J. O'Hare (2), IoA, N. Wyn Evans (1)","submitted_at":"2018-10-26T18:00:14Z","abstract_excerpt":"Predicting signals in experiments to directly detect dark matter (DM) requires a form for the local DM velocity distribution. Hitherto, the standard halo model (SHM), in which velocities are isotropic and follow a truncated Gaussian law, has performed this job. New data, however, suggest that a substantial fraction of our stellar halo lies in a strongly radially anisotropic population, the 'Gaia Sausage'. Inspired by this recent discovery, we introduce an updated DM halo model, the SHM$^{++}$, which includes a `Sausage' component, thus better describing the known features of our galaxy. The SH"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.11468","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":""},"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":"2026-05-17T23:57:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"clc0sP2AVRvJqtfTN2yrlYhMDcKjUG6lEcObY3zi9SVVDvYsSfF6EwaUm8UiRfLexY+JUfcXn5bUvVaAJE+fBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T20:11:39.165028Z"},"content_sha256":"5147608853997b7ac424a2044da8b1610f704223edee0218eb032f6cec14fe6f","schema_version":"1.0","event_id":"sha256:5147608853997b7ac424a2044da8b1610f704223edee0218eb032f6cec14fe6f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HB3NTSVKKJCI5RV5JUEZHGQ7I3/bundle.json","state_url":"https://pith.science/pith/HB3NTSVKKJCI5RV5JUEZHGQ7I3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HB3NTSVKKJCI5RV5JUEZHGQ7I3/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":"2026-06-07T20:11:39Z","links":{"resolver":"https://pith.science/pith/HB3NTSVKKJCI5RV5JUEZHGQ7I3","bundle":"https://pith.science/pith/HB3NTSVKKJCI5RV5JUEZHGQ7I3/bundle.json","state":"https://pith.science/pith/HB3NTSVKKJCI5RV5JUEZHGQ7I3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HB3NTSVKKJCI5RV5JUEZHGQ7I3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:HB3NTSVKKJCI5RV5JUEZHGQ7I3","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":"26c47eb99436d760ccb4cbd3aab3413f5265617ceddb52da46973e1c3549be7e","cross_cats_sorted":["astro-ph.CO","hep-ex","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-10-26T18:00:14Z","title_canon_sha256":"5d73e8980bb5b41077cb3c33623f1eddd4cd05cebea9e81136eeac3b1c1bff69"},"schema_version":"1.0","source":{"id":"1810.11468","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.11468","created_at":"2026-05-17T23:57:14Z"},{"alias_kind":"arxiv_version","alias_value":"1810.11468v2","created_at":"2026-05-17T23:57:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.11468","created_at":"2026-05-17T23:57:14Z"},{"alias_kind":"pith_short_12","alias_value":"HB3NTSVKKJCI","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HB3NTSVKKJCI5RV5","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HB3NTSVK","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:5147608853997b7ac424a2044da8b1610f704223edee0218eb032f6cec14fe6f","target":"graph","created_at":"2026-05-17T23:57:14Z","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"},"paper":{"abstract_excerpt":"Predicting signals in experiments to directly detect dark matter (DM) requires a form for the local DM velocity distribution. Hitherto, the standard halo model (SHM), in which velocities are isotropic and follow a truncated Gaussian law, has performed this job. New data, however, suggest that a substantial fraction of our stellar halo lies in a strongly radially anisotropic population, the 'Gaia Sausage'. Inspired by this recent discovery, we introduce an updated DM halo model, the SHM$^{++}$, which includes a `Sausage' component, thus better describing the known features of our galaxy. The SH","authors_text":"(2) Zaragoza, (3) KCL), Cambridge, Christopher McCabe (3) ((1), Ciaran A.J. O'Hare (2), IoA, N. Wyn Evans (1)","cross_cats":["astro-ph.CO","hep-ex","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-10-26T18:00:14Z","title":"SHM$^{++}$: A Refinement of the Standard Halo Model for Dark Matter Searches in Light of the Gaia Sausage"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.11468","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":"sha256:2310f910a26c1737adeaf2ccdf56f4b52dee8aaebb587cd56c02a2fd5d9522ae","target":"record","created_at":"2026-05-17T23:57:14Z","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":"26c47eb99436d760ccb4cbd3aab3413f5265617ceddb52da46973e1c3549be7e","cross_cats_sorted":["astro-ph.CO","hep-ex","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-10-26T18:00:14Z","title_canon_sha256":"5d73e8980bb5b41077cb3c33623f1eddd4cd05cebea9e81136eeac3b1c1bff69"},"schema_version":"1.0","source":{"id":"1810.11468","kind":"arxiv","version":2}},"canonical_sha256":"3876d9caaa52448ec6bd4d09939a1f46fe50c575c258a29e6310021c03e3b869","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3876d9caaa52448ec6bd4d09939a1f46fe50c575c258a29e6310021c03e3b869","first_computed_at":"2026-05-17T23:57:14.807138Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:14.807138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"n/llUMdvUfU1bA9lKBHO3wF37YY1LcYopsDjO57gDtOJT2aGpRM3sdY+uhJeJTLiFJs3V8Z5vrYxNgZgmVxaCA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:14.807714Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.11468","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2310f910a26c1737adeaf2ccdf56f4b52dee8aaebb587cd56c02a2fd5d9522ae","sha256:5147608853997b7ac424a2044da8b1610f704223edee0218eb032f6cec14fe6f"],"state_sha256":"2f2b602ca49a3893a4570123ca241d701f727337547865aa9a77fd3e21eb7a52"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rkGsrQjWPQmcuP8L9NfFt/nxyJ34OQfanshD3VAI0UGzElBgPZ/Tdo4MEo8GFaXeeJe3LjTL6/Yo2W12HMUHAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T20:11:39.169163Z","bundle_sha256":"2d806c88fd388f629d2285be1b7de352c5dc84db2acdddb7705ad21f547b9c55"}}