{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:WQQ7C2URJWYELI4H6P7JLW4FY5","short_pith_number":"pith:WQQ7C2UR","canonical_record":{"source":{"id":"1103.4384","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-22T21:09:15Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"4505695e537e4de252232bb7f69f6a346a4cfbcd920dfd14d2a278d79b9775db","abstract_canon_sha256":"9c68c5c9145f43d92f72d74d69bf7463c1062f05b61aa2d10051391e65796236"},"schema_version":"1.0"},"canonical_sha256":"b421f16a914db045a387f3fe95db85c74e12ea37a624390ae0e45c825e28c880","source":{"kind":"arxiv","id":"1103.4384","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.4384","created_at":"2026-05-18T04:26:02Z"},{"alias_kind":"arxiv_version","alias_value":"1103.4384v1","created_at":"2026-05-18T04:26:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.4384","created_at":"2026-05-18T04:26:02Z"},{"alias_kind":"pith_short_12","alias_value":"WQQ7C2URJWYE","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"WQQ7C2URJWYELI4H","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"WQQ7C2UR","created_at":"2026-05-18T12:26:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:WQQ7C2URJWYELI4H6P7JLW4FY5","target":"record","payload":{"canonical_record":{"source":{"id":"1103.4384","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-22T21:09:15Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"4505695e537e4de252232bb7f69f6a346a4cfbcd920dfd14d2a278d79b9775db","abstract_canon_sha256":"9c68c5c9145f43d92f72d74d69bf7463c1062f05b61aa2d10051391e65796236"},"schema_version":"1.0"},"canonical_sha256":"b421f16a914db045a387f3fe95db85c74e12ea37a624390ae0e45c825e28c880","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:02.184361Z","signature_b64":"Ti6C1TGYHersdkvKXyc61sPkOGyjOe2QbH0TjsxHW/6L/IkIvQIWHVBFySjU3qhnWZIr/ume2Pz4luTdZDRaCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b421f16a914db045a387f3fe95db85c74e12ea37a624390ae0e45c825e28c880","last_reissued_at":"2026-05-18T04:26:02.183781Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:02.183781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.4384","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":"2026-05-18T04:26:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gd/WLM7XPTDJ1f/ZJ1lZeB81zHJqngIhOsNqFv7UOA8JhEeLQEvnqRRqI8oqyAT/pCdrFucth1wz/A6hFmOCDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:15:24.490513Z"},"content_sha256":"2a435f1f67daba8733fc0f77a773c4b2d64c3db30f4578228d5a78daa5edaa5c","schema_version":"1.0","event_id":"sha256:2a435f1f67daba8733fc0f77a773c4b2d64c3db30f4578228d5a78daa5edaa5c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:WQQ7C2URJWYELI4H6P7JLW4FY5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"WIMP Dark Matter and the First Stars: a critical overview","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Fabio Iocco","submitted_at":"2011-03-22T21:09:15Z","abstract_excerpt":"If Dark Matter (DM) is composed by Weakly Interacting Massive Particles, its annihilation in the halos harboring the earliest star formation episode may strongly influence the first generation of stars (Population III). Whereas DM annihilation at early stages of gas collapse does not dramatically affect the properties of the cloud, the formation of a hydrostatic object (protostar) and its evolution toward the main sequence may be delayed. This process involves DM concentrated in the center of the halo by gravitational drag, and no consensus is yet reached over whether this can push the initial"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.4384","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":"2026-05-18T04:26:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/mQ1YdHffmkyBGOq4nkdIqKM05N6iLA3wUfmgGGO/U0f7oRhLbostKjikb0mBrWBUlvh0PTmX0bBTDLufyICAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:15:24.490857Z"},"content_sha256":"12ccfe1922e1334bdeb1d186dd57bf80a3e833f8d3a490dca2d83e0f5cc196f4","schema_version":"1.0","event_id":"sha256:12ccfe1922e1334bdeb1d186dd57bf80a3e833f8d3a490dca2d83e0f5cc196f4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WQQ7C2URJWYELI4H6P7JLW4FY5/bundle.json","state_url":"https://pith.science/pith/WQQ7C2URJWYELI4H6P7JLW4FY5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WQQ7C2URJWYELI4H6P7JLW4FY5/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":"2026-06-03T06:15:24Z","links":{"resolver":"https://pith.science/pith/WQQ7C2URJWYELI4H6P7JLW4FY5","bundle":"https://pith.science/pith/WQQ7C2URJWYELI4H6P7JLW4FY5/bundle.json","state":"https://pith.science/pith/WQQ7C2URJWYELI4H6P7JLW4FY5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WQQ7C2URJWYELI4H6P7JLW4FY5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:WQQ7C2URJWYELI4H6P7JLW4FY5","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":"9c68c5c9145f43d92f72d74d69bf7463c1062f05b61aa2d10051391e65796236","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-22T21:09:15Z","title_canon_sha256":"4505695e537e4de252232bb7f69f6a346a4cfbcd920dfd14d2a278d79b9775db"},"schema_version":"1.0","source":{"id":"1103.4384","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.4384","created_at":"2026-05-18T04:26:02Z"},{"alias_kind":"arxiv_version","alias_value":"1103.4384v1","created_at":"2026-05-18T04:26:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.4384","created_at":"2026-05-18T04:26:02Z"},{"alias_kind":"pith_short_12","alias_value":"WQQ7C2URJWYE","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"WQQ7C2URJWYELI4H","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"WQQ7C2UR","created_at":"2026-05-18T12:26:44Z"}],"graph_snapshots":[{"event_id":"sha256:12ccfe1922e1334bdeb1d186dd57bf80a3e833f8d3a490dca2d83e0f5cc196f4","target":"graph","created_at":"2026-05-18T04:26:02Z","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":"If Dark Matter (DM) is composed by Weakly Interacting Massive Particles, its annihilation in the halos harboring the earliest star formation episode may strongly influence the first generation of stars (Population III). Whereas DM annihilation at early stages of gas collapse does not dramatically affect the properties of the cloud, the formation of a hydrostatic object (protostar) and its evolution toward the main sequence may be delayed. This process involves DM concentrated in the center of the halo by gravitational drag, and no consensus is yet reached over whether this can push the initial","authors_text":"Fabio Iocco","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-22T21:09:15Z","title":"WIMP Dark Matter and the First Stars: a critical overview"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.4384","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":"sha256:2a435f1f67daba8733fc0f77a773c4b2d64c3db30f4578228d5a78daa5edaa5c","target":"record","created_at":"2026-05-18T04:26:02Z","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":"9c68c5c9145f43d92f72d74d69bf7463c1062f05b61aa2d10051391e65796236","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-22T21:09:15Z","title_canon_sha256":"4505695e537e4de252232bb7f69f6a346a4cfbcd920dfd14d2a278d79b9775db"},"schema_version":"1.0","source":{"id":"1103.4384","kind":"arxiv","version":1}},"canonical_sha256":"b421f16a914db045a387f3fe95db85c74e12ea37a624390ae0e45c825e28c880","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b421f16a914db045a387f3fe95db85c74e12ea37a624390ae0e45c825e28c880","first_computed_at":"2026-05-18T04:26:02.183781Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:26:02.183781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ti6C1TGYHersdkvKXyc61sPkOGyjOe2QbH0TjsxHW/6L/IkIvQIWHVBFySjU3qhnWZIr/ume2Pz4luTdZDRaCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:26:02.184361Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.4384","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2a435f1f67daba8733fc0f77a773c4b2d64c3db30f4578228d5a78daa5edaa5c","sha256:12ccfe1922e1334bdeb1d186dd57bf80a3e833f8d3a490dca2d83e0f5cc196f4"],"state_sha256":"84ce0df48d9de7c94871cef6e9d67e786daad4280b9cd7d0d9ac679f9b7fb804"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"unJ1UpiuODw5bW+K42hXYhFYPZ4lXD8LWed/tVUzM1izgigcS8JmkG5n2Bqg1STrgBxDxIA9AbJ5MuY6Vh+bBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T06:15:24.492882Z","bundle_sha256":"4304abb1450f19b184cf14daf9b39ad8c89f637e359d65a993747a57676c3812"}}