{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:UXNBYLZXXAJH5KBKKFWWMQXIFE","short_pith_number":"pith:UXNBYLZX","canonical_record":{"source":{"id":"astro-ph/0607207","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-07-11T17:45:52Z","cross_cats_sorted":[],"title_canon_sha256":"190be02833774d46dfd2b9a0241eacd367c5880d1ccf21f68ff0786d292d204d","abstract_canon_sha256":"bc90047a0b8b6303b3fbd3f6828dc944bf56498251035a127e992fcc0afcf719"},"schema_version":"1.0"},"canonical_sha256":"a5da1c2f37b8127ea82a516d6642e8293c94ac6e44c1e4d5d79f3fe3f3079024","source":{"kind":"arxiv","id":"astro-ph/0607207","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0607207","created_at":"2026-07-04T15:28:37Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0607207v2","created_at":"2026-07-04T15:28:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0607207","created_at":"2026-07-04T15:28:37Z"},{"alias_kind":"pith_short_12","alias_value":"UXNBYLZXXAJH","created_at":"2026-07-04T15:28:37Z"},{"alias_kind":"pith_short_16","alias_value":"UXNBYLZXXAJH5KBK","created_at":"2026-07-04T15:28:37Z"},{"alias_kind":"pith_short_8","alias_value":"UXNBYLZX","created_at":"2026-07-04T15:28:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:UXNBYLZXXAJH5KBKKFWWMQXIFE","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0607207","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-07-11T17:45:52Z","cross_cats_sorted":[],"title_canon_sha256":"190be02833774d46dfd2b9a0241eacd367c5880d1ccf21f68ff0786d292d204d","abstract_canon_sha256":"bc90047a0b8b6303b3fbd3f6828dc944bf56498251035a127e992fcc0afcf719"},"schema_version":"1.0"},"canonical_sha256":"a5da1c2f37b8127ea82a516d6642e8293c94ac6e44c1e4d5d79f3fe3f3079024","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:28:37.297957Z","signature_b64":"vTBGMz+UiNXJrVKa6oncOvdvSAsAh09Vid28Y0qp82MA480ojoQ8KKk23uQn9RsfuhV3m55H+Inur3JtP21tDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a5da1c2f37b8127ea82a516d6642e8293c94ac6e44c1e4d5d79f3fe3f3079024","last_reissued_at":"2026-07-04T15:28:37.297551Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:28:37.297551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0607207","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":"2026-07-04T15:28:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cJZojf/aeaRqCfdIQIys6W0hzDlnb5K0WkZta3pK7lSr5h8QTiOmJFSifb/MYysIcJTMsqHvdPXuxni2QNSsDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T00:47:56.474649Z"},"content_sha256":"9e790dfeca532b06c90e1d924335ba3d0ce360ffd11b0fa81c530c17262e3336","schema_version":"1.0","event_id":"sha256:9e790dfeca532b06c90e1d924335ba3d0ce360ffd11b0fa81c530c17262e3336"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:UXNBYLZXXAJH5KBKKFWWMQXIFE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Limits on the Macho Content of the Galactic Halo from the EROS-2 Survey of the Magellanic Clouds","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Gould, A. Maury, A. Milsztajn, A. Vidal-Madjar, B. Goldman, C. Afonso, C. Coutures, C. Hamadache, C. Loup, C. Magneville, D. Graff, E. Aubourg, E. Lesquoy, E. Maurice, J. Andersen, J.B. Marquette, J. de Kat, J.F. Glicenstein, J. Haissinski, J.N. Albert, J.P. Beaulieu, J. Rich, L. Le Guillou, L. Vigroux, M. Gros, M. Moniez, M. Spiro, N. Palanque-Delabrouille, O. Perdereau, P. Bareyre, P. Fouqu\\'e, P. Tisserand, R. Ansari, R. Ferlet, S. Zylberajch, T. Lasserre, X. Charlot, Y.R. Rahal","submitted_at":"2006-07-11T17:45:52Z","abstract_excerpt":"The EROS-2 project was designed to test the hypothesis that massive compact halo objects (the so-called ``machos'') could be a major component of the dark matter halo of the Milky Way galaxy. To this end, EROS-2 monitored over 6.7 years $33\\times10^6$ stars in the Magellanic clouds for microlensing events caused by such objects. In this work, we use only a subsample of $7\\times10^6$ bright stars spread over $84 \\deg^2$ of the LMC and $9 \\deg^2$ of the SMC. The strategy of using only bright stars helps to discriminate against background events due to variable stars and allows a simple determina"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0607207","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0607207/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:28:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zGgUakgWFJMwE1afnpD4kHs9hjDFp66GnaFJ1Oy3SQfdtn//C9McnMwTvJtZey6IS1zTYg8KsqnO+IsMCiHbDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T00:47:56.475161Z"},"content_sha256":"30fc7968f7adc0d92f55d38e071c06e611c10f123d899adb8b65d1abd71e00cf","schema_version":"1.0","event_id":"sha256:30fc7968f7adc0d92f55d38e071c06e611c10f123d899adb8b65d1abd71e00cf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UXNBYLZXXAJH5KBKKFWWMQXIFE/bundle.json","state_url":"https://pith.science/pith/UXNBYLZXXAJH5KBKKFWWMQXIFE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UXNBYLZXXAJH5KBKKFWWMQXIFE/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":"2026-08-04T00:47:56Z","links":{"resolver":"https://pith.science/pith/UXNBYLZXXAJH5KBKKFWWMQXIFE","bundle":"https://pith.science/pith/UXNBYLZXXAJH5KBKKFWWMQXIFE/bundle.json","state":"https://pith.science/pith/UXNBYLZXXAJH5KBKKFWWMQXIFE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UXNBYLZXXAJH5KBKKFWWMQXIFE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:UXNBYLZXXAJH5KBKKFWWMQXIFE","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":"bc90047a0b8b6303b3fbd3f6828dc944bf56498251035a127e992fcc0afcf719","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-07-11T17:45:52Z","title_canon_sha256":"190be02833774d46dfd2b9a0241eacd367c5880d1ccf21f68ff0786d292d204d"},"schema_version":"1.0","source":{"id":"astro-ph/0607207","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0607207","created_at":"2026-07-04T15:28:37Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0607207v2","created_at":"2026-07-04T15:28:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0607207","created_at":"2026-07-04T15:28:37Z"},{"alias_kind":"pith_short_12","alias_value":"UXNBYLZXXAJH","created_at":"2026-07-04T15:28:37Z"},{"alias_kind":"pith_short_16","alias_value":"UXNBYLZXXAJH5KBK","created_at":"2026-07-04T15:28:37Z"},{"alias_kind":"pith_short_8","alias_value":"UXNBYLZX","created_at":"2026-07-04T15:28:37Z"}],"graph_snapshots":[{"event_id":"sha256:30fc7968f7adc0d92f55d38e071c06e611c10f123d899adb8b65d1abd71e00cf","target":"graph","created_at":"2026-07-04T15:28:37Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0607207/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The EROS-2 project was designed to test the hypothesis that massive compact halo objects (the so-called ``machos'') could be a major component of the dark matter halo of the Milky Way galaxy. To this end, EROS-2 monitored over 6.7 years $33\\times10^6$ stars in the Magellanic clouds for microlensing events caused by such objects. In this work, we use only a subsample of $7\\times10^6$ bright stars spread over $84 \\deg^2$ of the LMC and $9 \\deg^2$ of the SMC. The strategy of using only bright stars helps to discriminate against background events due to variable stars and allows a simple determina","authors_text":"A. Gould, A. Maury, A. Milsztajn, A. Vidal-Madjar, B. Goldman, C. Afonso, C. Coutures, C. Hamadache, C. Loup, C. Magneville, D. Graff, E. Aubourg, E. Lesquoy, E. Maurice, J. Andersen, J.B. Marquette, J. de Kat, J.F. Glicenstein, J. Haissinski, J.N. Albert, J.P. Beaulieu, J. Rich, L. Le Guillou, L. Vigroux, M. Gros, M. Moniez, M. Spiro, N. Palanque-Delabrouille, O. Perdereau, P. Bareyre, P. Fouqu\\'e, P. Tisserand, R. Ansari, R. Ferlet, S. Zylberajch, T. Lasserre, X. Charlot, Y.R. Rahal","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-07-11T17:45:52Z","title":"Limits on the Macho Content of the Galactic Halo from the EROS-2 Survey of the Magellanic Clouds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0607207","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":"sha256:9e790dfeca532b06c90e1d924335ba3d0ce360ffd11b0fa81c530c17262e3336","target":"record","created_at":"2026-07-04T15:28:37Z","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":"bc90047a0b8b6303b3fbd3f6828dc944bf56498251035a127e992fcc0afcf719","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-07-11T17:45:52Z","title_canon_sha256":"190be02833774d46dfd2b9a0241eacd367c5880d1ccf21f68ff0786d292d204d"},"schema_version":"1.0","source":{"id":"astro-ph/0607207","kind":"arxiv","version":2}},"canonical_sha256":"a5da1c2f37b8127ea82a516d6642e8293c94ac6e44c1e4d5d79f3fe3f3079024","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a5da1c2f37b8127ea82a516d6642e8293c94ac6e44c1e4d5d79f3fe3f3079024","first_computed_at":"2026-07-04T15:28:37.297551Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:28:37.297551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vTBGMz+UiNXJrVKa6oncOvdvSAsAh09Vid28Y0qp82MA480ojoQ8KKk23uQn9RsfuhV3m55H+Inur3JtP21tDw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:28:37.297957Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0607207","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e790dfeca532b06c90e1d924335ba3d0ce360ffd11b0fa81c530c17262e3336","sha256:30fc7968f7adc0d92f55d38e071c06e611c10f123d899adb8b65d1abd71e00cf"],"state_sha256":"878f8c43cf6b7fcfe0820e3f9c8a8b582b121dd841c92b22556301df06cec19e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SP2eJiOpb2SY5pgUdLl/n91AJFjzbUTDOkI0hCOCr5QMMBEDvtNRjSW1AA36Nbq+WNMo7C/2e6w3cSDUtt7IDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T00:47:56.480194Z","bundle_sha256":"eb0fc2dd22c012eccb020680b3520a8fd4069f3e8c4e594401ef7ec249149596"}}