{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:JC27HWPEHGLASMGYATV77X6Q4F","short_pith_number":"pith:JC27HWPE","canonical_record":{"source":{"id":"1610.04562","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-14T18:06:29Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"fd19e958b720200c2a1673768dd99b062d265121dcf22c925cc2d93df568337c","abstract_canon_sha256":"0093e098ad6434bfb45e04c80bb6b375413a1d09c67b32b069b2952e71855453"},"schema_version":"1.0"},"canonical_sha256":"48b5f3d9e439960930d804ebffdfd0e165a87d06bf919ca746120793cc71fed5","source":{"kind":"arxiv","id":"1610.04562","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.04562","created_at":"2026-05-18T00:53:58Z"},{"alias_kind":"arxiv_version","alias_value":"1610.04562v1","created_at":"2026-05-18T00:53:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.04562","created_at":"2026-05-18T00:53:58Z"},{"alias_kind":"pith_short_12","alias_value":"JC27HWPEHGLA","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"JC27HWPEHGLASMGY","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"JC27HWPE","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:JC27HWPEHGLASMGYATV77X6Q4F","target":"record","payload":{"canonical_record":{"source":{"id":"1610.04562","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-14T18:06:29Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"fd19e958b720200c2a1673768dd99b062d265121dcf22c925cc2d93df568337c","abstract_canon_sha256":"0093e098ad6434bfb45e04c80bb6b375413a1d09c67b32b069b2952e71855453"},"schema_version":"1.0"},"canonical_sha256":"48b5f3d9e439960930d804ebffdfd0e165a87d06bf919ca746120793cc71fed5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:58.271151Z","signature_b64":"gqRJLAdN/v1Mx8GHE/RUXknQR9/SsGY+P2w+TQJSPox5uYTZkaXEEzSYV9cYnY9rVJT4ym0k1Vmvx1xgYDldBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"48b5f3d9e439960930d804ebffdfd0e165a87d06bf919ca746120793cc71fed5","last_reissued_at":"2026-05-18T00:53:58.270472Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:58.270472Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.04562","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":"2026-05-18T00:53:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f0QqHCDCL3aHYsNT18dfKbbCMVSrTiMluO4TIyZnVvO532TaW91rSi5ABZULu4LwIa1TqX3xOyvkD21FVfrZDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:47:47.907495Z"},"content_sha256":"fb454c4ab5a804a85c9945d991530a1e773048829b14be8fe5db5003d2845d13","schema_version":"1.0","event_id":"sha256:fb454c4ab5a804a85c9945d991530a1e773048829b14be8fe5db5003d2845d13"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:JC27HWPEHGLASMGYATV77X6Q4F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Investigating mass segregation process in globular clusters with Blue Straggler Stars: the impact of dark remnants","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Barbara Lanzoni, Emiliano Alessandrini, Enrico Vesperini, Francesco Rosario Ferraro, Paolo Miocchi","submitted_at":"2016-10-14T18:06:29Z","abstract_excerpt":"We present the results of a set of N-body simulations aimed at exploring how the process of mass segregation (as traced by the spatial distribution of blue straggler stars, BSSs) is affected by the presence of a population of heavy dark remnants (as neutron stars and black holes). To this end, clusters characterized by different initial concentrations and different fractions of dark remnants have been modeled. We find that an increasing fraction of stellar-mass black holes significantly delays the mass segregation of BSSs and the visible stellar component. In order to trace the evolution of BS"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.04562","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":""},"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":"2026-05-18T00:53:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9dwukubSHKSRAAZnZPZrweUoA9H/PahlTHcd8cB6QfSsxVoVcdAEkOovGs/BkslGClQb0qLRUiHVhfU1eThmCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:47:47.907868Z"},"content_sha256":"32b17eac701101a540e61dcebffe87f3d8b12c6a582c501f9b3612b655b1e6e6","schema_version":"1.0","event_id":"sha256:32b17eac701101a540e61dcebffe87f3d8b12c6a582c501f9b3612b655b1e6e6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JC27HWPEHGLASMGYATV77X6Q4F/bundle.json","state_url":"https://pith.science/pith/JC27HWPEHGLASMGYATV77X6Q4F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JC27HWPEHGLASMGYATV77X6Q4F/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":"2026-05-27T15:47:47Z","links":{"resolver":"https://pith.science/pith/JC27HWPEHGLASMGYATV77X6Q4F","bundle":"https://pith.science/pith/JC27HWPEHGLASMGYATV77X6Q4F/bundle.json","state":"https://pith.science/pith/JC27HWPEHGLASMGYATV77X6Q4F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JC27HWPEHGLASMGYATV77X6Q4F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:JC27HWPEHGLASMGYATV77X6Q4F","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":"0093e098ad6434bfb45e04c80bb6b375413a1d09c67b32b069b2952e71855453","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-14T18:06:29Z","title_canon_sha256":"fd19e958b720200c2a1673768dd99b062d265121dcf22c925cc2d93df568337c"},"schema_version":"1.0","source":{"id":"1610.04562","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.04562","created_at":"2026-05-18T00:53:58Z"},{"alias_kind":"arxiv_version","alias_value":"1610.04562v1","created_at":"2026-05-18T00:53:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.04562","created_at":"2026-05-18T00:53:58Z"},{"alias_kind":"pith_short_12","alias_value":"JC27HWPEHGLA","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"JC27HWPEHGLASMGY","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"JC27HWPE","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:32b17eac701101a540e61dcebffe87f3d8b12c6a582c501f9b3612b655b1e6e6","target":"graph","created_at":"2026-05-18T00:53:58Z","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":"We present the results of a set of N-body simulations aimed at exploring how the process of mass segregation (as traced by the spatial distribution of blue straggler stars, BSSs) is affected by the presence of a population of heavy dark remnants (as neutron stars and black holes). To this end, clusters characterized by different initial concentrations and different fractions of dark remnants have been modeled. We find that an increasing fraction of stellar-mass black holes significantly delays the mass segregation of BSSs and the visible stellar component. In order to trace the evolution of BS","authors_text":"Barbara Lanzoni, Emiliano Alessandrini, Enrico Vesperini, Francesco Rosario Ferraro, Paolo Miocchi","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-14T18:06:29Z","title":"Investigating mass segregation process in globular clusters with Blue Straggler Stars: the impact of dark remnants"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.04562","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:fb454c4ab5a804a85c9945d991530a1e773048829b14be8fe5db5003d2845d13","target":"record","created_at":"2026-05-18T00:53:58Z","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":"0093e098ad6434bfb45e04c80bb6b375413a1d09c67b32b069b2952e71855453","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-14T18:06:29Z","title_canon_sha256":"fd19e958b720200c2a1673768dd99b062d265121dcf22c925cc2d93df568337c"},"schema_version":"1.0","source":{"id":"1610.04562","kind":"arxiv","version":1}},"canonical_sha256":"48b5f3d9e439960930d804ebffdfd0e165a87d06bf919ca746120793cc71fed5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"48b5f3d9e439960930d804ebffdfd0e165a87d06bf919ca746120793cc71fed5","first_computed_at":"2026-05-18T00:53:58.270472Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:58.270472Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gqRJLAdN/v1Mx8GHE/RUXknQR9/SsGY+P2w+TQJSPox5uYTZkaXEEzSYV9cYnY9rVJT4ym0k1Vmvx1xgYDldBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:58.271151Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.04562","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fb454c4ab5a804a85c9945d991530a1e773048829b14be8fe5db5003d2845d13","sha256:32b17eac701101a540e61dcebffe87f3d8b12c6a582c501f9b3612b655b1e6e6"],"state_sha256":"c2a11d49912b9cc8853dded84eeccea356aeeb8234e64699860c0b10228bd776"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BSYyaSBAyap1W1ERLWH6ZN9Tx2xXjixAaY6ui7fxEJtGtFnWkRUYLFHz0FsoItqeGh//NUKSsc2eJWgvNsR/BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T15:47:47.910763Z","bundle_sha256":"cc5850077752ebd488b4f63e7a0cfeef3257f093462e80f1b0061aa644ef6ab2"}}