{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:EZUFDZGP7J6ZIKKHIRY3R4272S","short_pith_number":"pith:EZUFDZGP","canonical_record":{"source":{"id":"1804.04384","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-04-12T09:11:36Z","cross_cats_sorted":["astro-ph.GA","hep-ph"],"title_canon_sha256":"4c88c4ee21e98bc71bf30af8d72b1a25fd5b4ac47477237b30e4e88805ce4a9d","abstract_canon_sha256":"19ef86cc9674df831d809179e535c71957e1534509d33954b41eb1bc48f2867e"},"schema_version":"1.0"},"canonical_sha256":"266851e4cffa7d9429474471b8f35fd49010c65c80fb48323b724257dded637f","source":{"kind":"arxiv","id":"1804.04384","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.04384","created_at":"2026-05-18T00:09:35Z"},{"alias_kind":"arxiv_version","alias_value":"1804.04384v2","created_at":"2026-05-18T00:09:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.04384","created_at":"2026-05-18T00:09:35Z"},{"alias_kind":"pith_short_12","alias_value":"EZUFDZGP7J6Z","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"EZUFDZGP7J6ZIKKH","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"EZUFDZGP","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:EZUFDZGP7J6ZIKKHIRY3R4272S","target":"record","payload":{"canonical_record":{"source":{"id":"1804.04384","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-04-12T09:11:36Z","cross_cats_sorted":["astro-ph.GA","hep-ph"],"title_canon_sha256":"4c88c4ee21e98bc71bf30af8d72b1a25fd5b4ac47477237b30e4e88805ce4a9d","abstract_canon_sha256":"19ef86cc9674df831d809179e535c71957e1534509d33954b41eb1bc48f2867e"},"schema_version":"1.0"},"canonical_sha256":"266851e4cffa7d9429474471b8f35fd49010c65c80fb48323b724257dded637f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:35.712534Z","signature_b64":"xdSRppM49iZ3UthZbi4giAd3fypEVLDio4sICK9lWjeLgthCE+R4p4BaOpA+NVSOGmaH4bg//brHxCfIrevFAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"266851e4cffa7d9429474471b8f35fd49010c65c80fb48323b724257dded637f","last_reissued_at":"2026-05-18T00:09:35.711832Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:35.711832Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.04384","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":"2026-05-18T00:09:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fk7si4SgS2Xr+mk2yh58NbCKNiqrzrikmbhfyMVXD1A/N5IvBOfaoA+25qGfMeFh9M4XMUm2dtQJrfvT9BejCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:21:45.706104Z"},"content_sha256":"800d66a68bdbffe5b4fb66ca90d920dc1c7ecc63a8c39ad4a0e5673fd03f26a4","schema_version":"1.0","event_id":"sha256:800d66a68bdbffe5b4fb66ca90d920dc1c7ecc63a8c39ad4a0e5673fd03f26a4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:EZUFDZGP7J6ZIKKHIRY3R4272S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing the nature of dark matter particles with stellar streams","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Gianfranco Bertone, Jo Bovy, Nassim Bozorgnia, Nilanjan Banik","submitted_at":"2018-04-12T09:11:36Z","abstract_excerpt":"A key prediction of the standard cosmological model -- which relies on the assumption that dark matter is cold, i.e. non-relativistic at the epoch of structure formation -- is the existence of a large number of dark matter substructures on sub-galactic scales. This assumption can be tested by studying the perturbations induced by dark matter substructures on cold stellar streams. Here, we study the prospects for discriminating cold from warm dark matter by generating mock data for upcoming astronomical surveys such as the Large Synoptic Survey Telescope (LSST), and reconstructing the propertie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.04384","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":"2026-05-18T00:09:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hqrJWc4RmJHh4yOZXYkTjry0CX4hRElvzgcKSVf4wZFpkFFAZW7ZrSyzvXqi0dnlOQ33bJouEk93sL65WNSACg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:21:45.706574Z"},"content_sha256":"ab3e0e1645778ed47348ba826bc899a6d483592a53592ac12888529d37aa1973","schema_version":"1.0","event_id":"sha256:ab3e0e1645778ed47348ba826bc899a6d483592a53592ac12888529d37aa1973"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EZUFDZGP7J6ZIKKHIRY3R4272S/bundle.json","state_url":"https://pith.science/pith/EZUFDZGP7J6ZIKKHIRY3R4272S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EZUFDZGP7J6ZIKKHIRY3R4272S/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":"2026-05-25T21:21:45Z","links":{"resolver":"https://pith.science/pith/EZUFDZGP7J6ZIKKHIRY3R4272S","bundle":"https://pith.science/pith/EZUFDZGP7J6ZIKKHIRY3R4272S/bundle.json","state":"https://pith.science/pith/EZUFDZGP7J6ZIKKHIRY3R4272S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EZUFDZGP7J6ZIKKHIRY3R4272S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:EZUFDZGP7J6ZIKKHIRY3R4272S","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":"19ef86cc9674df831d809179e535c71957e1534509d33954b41eb1bc48f2867e","cross_cats_sorted":["astro-ph.GA","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-04-12T09:11:36Z","title_canon_sha256":"4c88c4ee21e98bc71bf30af8d72b1a25fd5b4ac47477237b30e4e88805ce4a9d"},"schema_version":"1.0","source":{"id":"1804.04384","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.04384","created_at":"2026-05-18T00:09:35Z"},{"alias_kind":"arxiv_version","alias_value":"1804.04384v2","created_at":"2026-05-18T00:09:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.04384","created_at":"2026-05-18T00:09:35Z"},{"alias_kind":"pith_short_12","alias_value":"EZUFDZGP7J6Z","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"EZUFDZGP7J6ZIKKH","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"EZUFDZGP","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:ab3e0e1645778ed47348ba826bc899a6d483592a53592ac12888529d37aa1973","target":"graph","created_at":"2026-05-18T00:09:35Z","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":"A key prediction of the standard cosmological model -- which relies on the assumption that dark matter is cold, i.e. non-relativistic at the epoch of structure formation -- is the existence of a large number of dark matter substructures on sub-galactic scales. This assumption can be tested by studying the perturbations induced by dark matter substructures on cold stellar streams. Here, we study the prospects for discriminating cold from warm dark matter by generating mock data for upcoming astronomical surveys such as the Large Synoptic Survey Telescope (LSST), and reconstructing the propertie","authors_text":"Gianfranco Bertone, Jo Bovy, Nassim Bozorgnia, Nilanjan Banik","cross_cats":["astro-ph.GA","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-04-12T09:11:36Z","title":"Probing the nature of dark matter particles with stellar streams"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.04384","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":"sha256:800d66a68bdbffe5b4fb66ca90d920dc1c7ecc63a8c39ad4a0e5673fd03f26a4","target":"record","created_at":"2026-05-18T00:09:35Z","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":"19ef86cc9674df831d809179e535c71957e1534509d33954b41eb1bc48f2867e","cross_cats_sorted":["astro-ph.GA","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-04-12T09:11:36Z","title_canon_sha256":"4c88c4ee21e98bc71bf30af8d72b1a25fd5b4ac47477237b30e4e88805ce4a9d"},"schema_version":"1.0","source":{"id":"1804.04384","kind":"arxiv","version":2}},"canonical_sha256":"266851e4cffa7d9429474471b8f35fd49010c65c80fb48323b724257dded637f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"266851e4cffa7d9429474471b8f35fd49010c65c80fb48323b724257dded637f","first_computed_at":"2026-05-18T00:09:35.711832Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:35.711832Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xdSRppM49iZ3UthZbi4giAd3fypEVLDio4sICK9lWjeLgthCE+R4p4BaOpA+NVSOGmaH4bg//brHxCfIrevFAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:35.712534Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.04384","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:800d66a68bdbffe5b4fb66ca90d920dc1c7ecc63a8c39ad4a0e5673fd03f26a4","sha256:ab3e0e1645778ed47348ba826bc899a6d483592a53592ac12888529d37aa1973"],"state_sha256":"363da59b9890e9353f79d62765add78cdd158bc7e8e0ab632969e809fc62abc5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tYpO4Aw9J+WexhHOwR3E2Ria8PnZP8H5XaICJQ9May31Nl8ZAvQPknbQ5qm1x4H3Kx9N9W1xWU5SkiUFu+rDBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:21:45.709155Z","bundle_sha256":"31daf925ee46dc1760f6739c697ac09cfc71a6bc44af766b2c124f9db04cc8c1"}}