{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:G2L5CQF7XEOUI5RKHC2PH2WLBY","short_pith_number":"pith:G2L5CQF7","canonical_record":{"source":{"id":"1102.4358","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-02-21T22:03:10Z","cross_cats_sorted":[],"title_canon_sha256":"2f0f471d800c1509a8ad7c2537e36145cceb98aa62cf016a419a8cf02bdc5805","abstract_canon_sha256":"8914182c10d2d8a5b430fc38def9ccd9ea71fe7b1b37e989db36b87e3e5dab48"},"schema_version":"1.0"},"canonical_sha256":"3697d140bfb91d44762a38b4f3eacb0e29a43504901fb9e62c17813e89342475","source":{"kind":"arxiv","id":"1102.4358","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.4358","created_at":"2026-05-18T04:10:56Z"},{"alias_kind":"arxiv_version","alias_value":"1102.4358v1","created_at":"2026-05-18T04:10:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.4358","created_at":"2026-05-18T04:10:56Z"},{"alias_kind":"pith_short_12","alias_value":"G2L5CQF7XEOU","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"G2L5CQF7XEOUI5RK","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"G2L5CQF7","created_at":"2026-05-18T12:26:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:G2L5CQF7XEOUI5RKHC2PH2WLBY","target":"record","payload":{"canonical_record":{"source":{"id":"1102.4358","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-02-21T22:03:10Z","cross_cats_sorted":[],"title_canon_sha256":"2f0f471d800c1509a8ad7c2537e36145cceb98aa62cf016a419a8cf02bdc5805","abstract_canon_sha256":"8914182c10d2d8a5b430fc38def9ccd9ea71fe7b1b37e989db36b87e3e5dab48"},"schema_version":"1.0"},"canonical_sha256":"3697d140bfb91d44762a38b4f3eacb0e29a43504901fb9e62c17813e89342475","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:10:56.869715Z","signature_b64":"WSyLAqmxaK9R94Gg1i9Ld2SL+JjFp0npqngF58CoL4nFiG9hkCiZOs0ye68AzdUwCyrFcfDm1r/R7aYqVIEwCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3697d140bfb91d44762a38b4f3eacb0e29a43504901fb9e62c17813e89342475","last_reissued_at":"2026-05-18T04:10:56.869208Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:10:56.869208Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.4358","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":"2026-05-18T04:10:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VJdZdqrwpcTdMILW7HJixVtjM8JTPumFaJvO250jfanB/VOjkJcyR2StnWhVMysZOiyuPKKRnYLIn8Au38SZBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T14:25:28.839579Z"},"content_sha256":"02ff551738c06aaa38fd6b460331b0c5760a1537b211f9fe07c6945ea2c03ef5","schema_version":"1.0","event_id":"sha256:02ff551738c06aaa38fd6b460331b0c5760a1537b211f9fe07c6945ea2c03ef5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:G2L5CQF7XEOUI5RKHC2PH2WLBY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Binary Evolution Constraints from Luminosity Functions of LMXBs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"R. Voss","submitted_at":"2011-02-21T22:03:10Z","abstract_excerpt":"The formation and evolution of low-mass X-ray binaries (LMXBs) is not well understood. The properties of a population of LMXBs depend on a number of uncertain aspects of binary evolution, and population studies offers a relatively new way of probing binary interactions. We have studied the shape of the faint end of the X-ray luminosity function (LF) of LMXBs in nearby galaxies with Chandra and in the Milky Way using the Swift all-sky monitor. We find a clear difference between the LF of LMXBs in globular clusters (GCs) and those outside, with a relative lack of faint GC sources. This indicates"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.4358","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":"2026-05-18T04:10:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SHVGog2vlb9tvEGSBO6FRagreUySq3J6ENGsoJxxZu7sDDOm1d+c6ZKZQGODbxr6ZArwDMT5/+r27oVzCRqrAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T14:25:28.839912Z"},"content_sha256":"afc8cd5385ff3cf89702162408e4966eb79c2485c2e626b6471c3304f12a7b96","schema_version":"1.0","event_id":"sha256:afc8cd5385ff3cf89702162408e4966eb79c2485c2e626b6471c3304f12a7b96"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G2L5CQF7XEOUI5RKHC2PH2WLBY/bundle.json","state_url":"https://pith.science/pith/G2L5CQF7XEOUI5RKHC2PH2WLBY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G2L5CQF7XEOUI5RKHC2PH2WLBY/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":"2026-07-04T14:25:28Z","links":{"resolver":"https://pith.science/pith/G2L5CQF7XEOUI5RKHC2PH2WLBY","bundle":"https://pith.science/pith/G2L5CQF7XEOUI5RKHC2PH2WLBY/bundle.json","state":"https://pith.science/pith/G2L5CQF7XEOUI5RKHC2PH2WLBY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G2L5CQF7XEOUI5RKHC2PH2WLBY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:G2L5CQF7XEOUI5RKHC2PH2WLBY","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":"8914182c10d2d8a5b430fc38def9ccd9ea71fe7b1b37e989db36b87e3e5dab48","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-02-21T22:03:10Z","title_canon_sha256":"2f0f471d800c1509a8ad7c2537e36145cceb98aa62cf016a419a8cf02bdc5805"},"schema_version":"1.0","source":{"id":"1102.4358","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.4358","created_at":"2026-05-18T04:10:56Z"},{"alias_kind":"arxiv_version","alias_value":"1102.4358v1","created_at":"2026-05-18T04:10:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.4358","created_at":"2026-05-18T04:10:56Z"},{"alias_kind":"pith_short_12","alias_value":"G2L5CQF7XEOU","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"G2L5CQF7XEOUI5RK","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"G2L5CQF7","created_at":"2026-05-18T12:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:afc8cd5385ff3cf89702162408e4966eb79c2485c2e626b6471c3304f12a7b96","target":"graph","created_at":"2026-05-18T04:10:56Z","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 formation and evolution of low-mass X-ray binaries (LMXBs) is not well understood. The properties of a population of LMXBs depend on a number of uncertain aspects of binary evolution, and population studies offers a relatively new way of probing binary interactions. We have studied the shape of the faint end of the X-ray luminosity function (LF) of LMXBs in nearby galaxies with Chandra and in the Milky Way using the Swift all-sky monitor. We find a clear difference between the LF of LMXBs in globular clusters (GCs) and those outside, with a relative lack of faint GC sources. This indicates","authors_text":"R. Voss","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-02-21T22:03:10Z","title":"Binary Evolution Constraints from Luminosity Functions of LMXBs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.4358","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":"sha256:02ff551738c06aaa38fd6b460331b0c5760a1537b211f9fe07c6945ea2c03ef5","target":"record","created_at":"2026-05-18T04:10:56Z","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":"8914182c10d2d8a5b430fc38def9ccd9ea71fe7b1b37e989db36b87e3e5dab48","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-02-21T22:03:10Z","title_canon_sha256":"2f0f471d800c1509a8ad7c2537e36145cceb98aa62cf016a419a8cf02bdc5805"},"schema_version":"1.0","source":{"id":"1102.4358","kind":"arxiv","version":1}},"canonical_sha256":"3697d140bfb91d44762a38b4f3eacb0e29a43504901fb9e62c17813e89342475","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3697d140bfb91d44762a38b4f3eacb0e29a43504901fb9e62c17813e89342475","first_computed_at":"2026-05-18T04:10:56.869208Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:10:56.869208Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WSyLAqmxaK9R94Gg1i9Ld2SL+JjFp0npqngF58CoL4nFiG9hkCiZOs0ye68AzdUwCyrFcfDm1r/R7aYqVIEwCw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:10:56.869715Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.4358","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:02ff551738c06aaa38fd6b460331b0c5760a1537b211f9fe07c6945ea2c03ef5","sha256:afc8cd5385ff3cf89702162408e4966eb79c2485c2e626b6471c3304f12a7b96"],"state_sha256":"696030b7290bde8220d43f9905ffe5576ce9981ca1c1fc62a36bc64679904954"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AQQrJf2fF84xnlswQn9F2ZfUglgNlgD38hsLhCw29lCAJNmduBEuhIke1KjhqF3xeE5Q1xVxT4BSB9+J5N/bDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T14:25:28.842134Z","bundle_sha256":"299d2d1748979899a2169922d1a62076bd8a9de22e1c0c7478a248b74a2c603f"}}