{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:NKPBC4NWZLY27RJAXE2UHHA25K","short_pith_number":"pith:NKPBC4NW","canonical_record":{"source":{"id":"1010.5783","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-10-27T20:00:04Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"c45114f2a489543fec03f191c737eca97204b7ccb8fcfcdc9d19be0be5b74973","abstract_canon_sha256":"689ccba253efacbd7ee72108142024130190c8ad82d7c5242939b79e222bd227"},"schema_version":"1.0"},"canonical_sha256":"6a9e1171b6caf1afc520b935439c1aeabc9a27e024d24bd4faa2a476b0d7451b","source":{"kind":"arxiv","id":"1010.5783","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.5783","created_at":"2026-05-18T02:04:55Z"},{"alias_kind":"arxiv_version","alias_value":"1010.5783v2","created_at":"2026-05-18T02:04:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.5783","created_at":"2026-05-18T02:04:55Z"},{"alias_kind":"pith_short_12","alias_value":"NKPBC4NWZLY2","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"NKPBC4NWZLY27RJA","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"NKPBC4NW","created_at":"2026-05-18T12:26:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:NKPBC4NWZLY27RJAXE2UHHA25K","target":"record","payload":{"canonical_record":{"source":{"id":"1010.5783","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-10-27T20:00:04Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"c45114f2a489543fec03f191c737eca97204b7ccb8fcfcdc9d19be0be5b74973","abstract_canon_sha256":"689ccba253efacbd7ee72108142024130190c8ad82d7c5242939b79e222bd227"},"schema_version":"1.0"},"canonical_sha256":"6a9e1171b6caf1afc520b935439c1aeabc9a27e024d24bd4faa2a476b0d7451b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:55.635160Z","signature_b64":"qYIbAyqiY/JPv4btVBER/AYMG9RNBaLN69pULtYEstxAiPG7MY12210Ffgv6sPsX2weX1T3LXm79h+gP7gnsCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6a9e1171b6caf1afc520b935439c1aeabc9a27e024d24bd4faa2a476b0d7451b","last_reissued_at":"2026-05-18T02:04:55.634613Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:55.634613Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.5783","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":"2026-05-18T02:04:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JsCHI+mp+VQ+ouYAQLdsY5HkRLzKc5ZIoz6aTYiZ3l34XwZnZ//Mf/cWgtbsRss0h+YcmlOPp8K7adCBJ0CVDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:04:02.191544Z"},"content_sha256":"18f1dd1bfdbdb70051a1a7cfe3b8da69952f8e59b0b91dfc462e5c309537ed16","schema_version":"1.0","event_id":"sha256:18f1dd1bfdbdb70051a1a7cfe3b8da69952f8e59b0b91dfc462e5c309537ed16"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:NKPBC4NWZLY27RJAXE2UHHA25K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence Against Dark Matter Halos Surrounding the Globular Clusters MGC1 and NGC 2419","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Abraham Loeb, Charlie Conroy, David Spergel","submitted_at":"2010-10-27T20:00:04Z","abstract_excerpt":"The conjecture that the ancient globular clusters (GCs) formed at the center of their own dark matter halos was first proposed by Peebles (1984), and has recently been revived to explain the puzzling abundance patterns observed within many GCs. In this paper we demonstrate that the outer stellar density profile of isolated GCs is very sensitive to the presence of an extended dark halo. The GCs NGC 2419, located at 90 kpc from the center of our Galaxy, and MGC1, located at ~200 kpc from the center of M31, are ideal laboratories for testing the scenario that GCs formed at the centers of massive "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.5783","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":"2026-05-18T02:04:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xMOBBEEkAO+hFhM14RqaasE1QpKoDJc0LXEJ4z/Lc7Ja2EGUh8jE8WwYNw8PGTqX5zMGSh+ghXvJNZbit48xBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:04:02.192253Z"},"content_sha256":"77a35c5df71eac071ade53975dcbb2b7d348f7c993e409c535e323f43498f3f9","schema_version":"1.0","event_id":"sha256:77a35c5df71eac071ade53975dcbb2b7d348f7c993e409c535e323f43498f3f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NKPBC4NWZLY27RJAXE2UHHA25K/bundle.json","state_url":"https://pith.science/pith/NKPBC4NWZLY27RJAXE2UHHA25K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NKPBC4NWZLY27RJAXE2UHHA25K/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":"2026-05-25T21:04:02Z","links":{"resolver":"https://pith.science/pith/NKPBC4NWZLY27RJAXE2UHHA25K","bundle":"https://pith.science/pith/NKPBC4NWZLY27RJAXE2UHHA25K/bundle.json","state":"https://pith.science/pith/NKPBC4NWZLY27RJAXE2UHHA25K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NKPBC4NWZLY27RJAXE2UHHA25K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:NKPBC4NWZLY27RJAXE2UHHA25K","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":"689ccba253efacbd7ee72108142024130190c8ad82d7c5242939b79e222bd227","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-10-27T20:00:04Z","title_canon_sha256":"c45114f2a489543fec03f191c737eca97204b7ccb8fcfcdc9d19be0be5b74973"},"schema_version":"1.0","source":{"id":"1010.5783","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.5783","created_at":"2026-05-18T02:04:55Z"},{"alias_kind":"arxiv_version","alias_value":"1010.5783v2","created_at":"2026-05-18T02:04:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.5783","created_at":"2026-05-18T02:04:55Z"},{"alias_kind":"pith_short_12","alias_value":"NKPBC4NWZLY2","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"NKPBC4NWZLY27RJA","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"NKPBC4NW","created_at":"2026-05-18T12:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:77a35c5df71eac071ade53975dcbb2b7d348f7c993e409c535e323f43498f3f9","target":"graph","created_at":"2026-05-18T02:04:55Z","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":"The conjecture that the ancient globular clusters (GCs) formed at the center of their own dark matter halos was first proposed by Peebles (1984), and has recently been revived to explain the puzzling abundance patterns observed within many GCs. In this paper we demonstrate that the outer stellar density profile of isolated GCs is very sensitive to the presence of an extended dark halo. The GCs NGC 2419, located at 90 kpc from the center of our Galaxy, and MGC1, located at ~200 kpc from the center of M31, are ideal laboratories for testing the scenario that GCs formed at the centers of massive ","authors_text":"Abraham Loeb, Charlie Conroy, David Spergel","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-10-27T20:00:04Z","title":"Evidence Against Dark Matter Halos Surrounding the Globular Clusters MGC1 and NGC 2419"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.5783","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":"sha256:18f1dd1bfdbdb70051a1a7cfe3b8da69952f8e59b0b91dfc462e5c309537ed16","target":"record","created_at":"2026-05-18T02:04:55Z","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":"689ccba253efacbd7ee72108142024130190c8ad82d7c5242939b79e222bd227","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-10-27T20:00:04Z","title_canon_sha256":"c45114f2a489543fec03f191c737eca97204b7ccb8fcfcdc9d19be0be5b74973"},"schema_version":"1.0","source":{"id":"1010.5783","kind":"arxiv","version":2}},"canonical_sha256":"6a9e1171b6caf1afc520b935439c1aeabc9a27e024d24bd4faa2a476b0d7451b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6a9e1171b6caf1afc520b935439c1aeabc9a27e024d24bd4faa2a476b0d7451b","first_computed_at":"2026-05-18T02:04:55.634613Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:55.634613Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qYIbAyqiY/JPv4btVBER/AYMG9RNBaLN69pULtYEstxAiPG7MY12210Ffgv6sPsX2weX1T3LXm79h+gP7gnsCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:55.635160Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.5783","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:18f1dd1bfdbdb70051a1a7cfe3b8da69952f8e59b0b91dfc462e5c309537ed16","sha256:77a35c5df71eac071ade53975dcbb2b7d348f7c993e409c535e323f43498f3f9"],"state_sha256":"d757ea8ba8201da9a040785fb871fecc0b2628069c71ece90cf24479c98af014"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ddGnbMpbaLy3cxKvqcoXbrw31+SHoD39UBwR+bnJwXVfhWLuM+djT02TYr5ZO7VsRzEq/FZAulgdSaBTmWkEAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:04:02.195835Z","bundle_sha256":"c5013855d76cc6d271e1675d1fbec0841d9a3f0cc1c70aa73e263f7190ec834f"}}