{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:6ZQRMXMYMKIF5UVTIGIEDA4VAD","short_pith_number":"pith:6ZQRMXMY","canonical_record":{"source":{"id":"1105.2577","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-05-12T20:46:46Z","cross_cats_sorted":[],"title_canon_sha256":"f4f8c3c66059334511adc7bab780937ce98f68566b51b8bf72eab8791631ec8e","abstract_canon_sha256":"654efb13d2d2e8537417e998d0f565899dd4e4b942dae6924ce8ef15615968e5"},"schema_version":"1.0"},"canonical_sha256":"f661165d9862905ed2b3419041839500ddc4a10439ccd11ca841eca1a1219af9","source":{"kind":"arxiv","id":"1105.2577","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.2577","created_at":"2026-05-18T02:01:58Z"},{"alias_kind":"arxiv_version","alias_value":"1105.2577v1","created_at":"2026-05-18T02:01:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.2577","created_at":"2026-05-18T02:01:58Z"},{"alias_kind":"pith_short_12","alias_value":"6ZQRMXMYMKIF","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"6ZQRMXMYMKIF5UVT","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"6ZQRMXMY","created_at":"2026-05-18T12:26:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:6ZQRMXMYMKIF5UVTIGIEDA4VAD","target":"record","payload":{"canonical_record":{"source":{"id":"1105.2577","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-05-12T20:46:46Z","cross_cats_sorted":[],"title_canon_sha256":"f4f8c3c66059334511adc7bab780937ce98f68566b51b8bf72eab8791631ec8e","abstract_canon_sha256":"654efb13d2d2e8537417e998d0f565899dd4e4b942dae6924ce8ef15615968e5"},"schema_version":"1.0"},"canonical_sha256":"f661165d9862905ed2b3419041839500ddc4a10439ccd11ca841eca1a1219af9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:58.856160Z","signature_b64":"RgocDyY4L2ZMuPvfb2ZKdLcnZsiFc34Gp+Nk15JZRXMq6C3c37cLMb4NN0s9BDQJMUKChhss7XzIthqKreImBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f661165d9862905ed2b3419041839500ddc4a10439ccd11ca841eca1a1219af9","last_reissued_at":"2026-05-18T02:01:58.855471Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:58.855471Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.2577","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":"2026-05-18T02:01:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o8U/ZY6aChVneZgSq6dUng5FENKBYgm0DeBf8sc6WkBPkkXb58uUBPTOA7ahD9oQRCdlG43h2wYXQsy4IJyzBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:20:44.011308Z"},"content_sha256":"d2328145f5a593ee6d89f634bc575a3f1c9855142ed79d89507b637e1ef7088c","schema_version":"1.0","event_id":"sha256:d2328145f5a593ee6d89f634bc575a3f1c9855142ed79d89507b637e1ef7088c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:6ZQRMXMYMKIF5UVTIGIEDA4VAD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-contrast Imaging Search for Planets and Brown Dwarfs around the Most Massive Stars in the Solar Neighborhood","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"David Lafreniere, Hans Zinnecker, Hubert Klahr, Mariangela Bonavita, Markus Janson, Ray Jayawardhana","submitted_at":"2011-05-12T20:46:46Z","abstract_excerpt":"There has been a long-standing discussion in the literature as to whether core accretion or disk instability is the dominant mode of planet formation. Over the last decade, several lines of evidence have been presented showing that core accretion is most likely the dominant mechanism for the close-in population of planets probed by radial velocity and transits. However, this does not by itself prove that core accretion is the dominant mode for the total planet population, since disk instability might conceivably produce and retain large numbers of planets in the far-out regions of the disk. If"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.2577","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":"2026-05-18T02:01:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HET9RzWwTWzGfRbd43ShQTHdRDjrNjJbHziRAO05P8zXSoQL560Ql0w068HeDsFt3BkxNs4bslba5IpeUFuBCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:20:44.011681Z"},"content_sha256":"7fbbab602c630fffcd0a280824dcc72bda817047847fb53e0578a2609807db8f","schema_version":"1.0","event_id":"sha256:7fbbab602c630fffcd0a280824dcc72bda817047847fb53e0578a2609807db8f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6ZQRMXMYMKIF5UVTIGIEDA4VAD/bundle.json","state_url":"https://pith.science/pith/6ZQRMXMYMKIF5UVTIGIEDA4VAD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6ZQRMXMYMKIF5UVTIGIEDA4VAD/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":"2026-06-01T05:20:44Z","links":{"resolver":"https://pith.science/pith/6ZQRMXMYMKIF5UVTIGIEDA4VAD","bundle":"https://pith.science/pith/6ZQRMXMYMKIF5UVTIGIEDA4VAD/bundle.json","state":"https://pith.science/pith/6ZQRMXMYMKIF5UVTIGIEDA4VAD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6ZQRMXMYMKIF5UVTIGIEDA4VAD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:6ZQRMXMYMKIF5UVTIGIEDA4VAD","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":"654efb13d2d2e8537417e998d0f565899dd4e4b942dae6924ce8ef15615968e5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-05-12T20:46:46Z","title_canon_sha256":"f4f8c3c66059334511adc7bab780937ce98f68566b51b8bf72eab8791631ec8e"},"schema_version":"1.0","source":{"id":"1105.2577","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.2577","created_at":"2026-05-18T02:01:58Z"},{"alias_kind":"arxiv_version","alias_value":"1105.2577v1","created_at":"2026-05-18T02:01:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.2577","created_at":"2026-05-18T02:01:58Z"},{"alias_kind":"pith_short_12","alias_value":"6ZQRMXMYMKIF","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"6ZQRMXMYMKIF5UVT","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"6ZQRMXMY","created_at":"2026-05-18T12:26:22Z"}],"graph_snapshots":[{"event_id":"sha256:7fbbab602c630fffcd0a280824dcc72bda817047847fb53e0578a2609807db8f","target":"graph","created_at":"2026-05-18T02:01:58Z","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":"There has been a long-standing discussion in the literature as to whether core accretion or disk instability is the dominant mode of planet formation. Over the last decade, several lines of evidence have been presented showing that core accretion is most likely the dominant mechanism for the close-in population of planets probed by radial velocity and transits. However, this does not by itself prove that core accretion is the dominant mode for the total planet population, since disk instability might conceivably produce and retain large numbers of planets in the far-out regions of the disk. If","authors_text":"David Lafreniere, Hans Zinnecker, Hubert Klahr, Mariangela Bonavita, Markus Janson, Ray Jayawardhana","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-05-12T20:46:46Z","title":"High-contrast Imaging Search for Planets and Brown Dwarfs around the Most Massive Stars in the Solar Neighborhood"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.2577","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:d2328145f5a593ee6d89f634bc575a3f1c9855142ed79d89507b637e1ef7088c","target":"record","created_at":"2026-05-18T02:01:58Z","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":"654efb13d2d2e8537417e998d0f565899dd4e4b942dae6924ce8ef15615968e5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-05-12T20:46:46Z","title_canon_sha256":"f4f8c3c66059334511adc7bab780937ce98f68566b51b8bf72eab8791631ec8e"},"schema_version":"1.0","source":{"id":"1105.2577","kind":"arxiv","version":1}},"canonical_sha256":"f661165d9862905ed2b3419041839500ddc4a10439ccd11ca841eca1a1219af9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f661165d9862905ed2b3419041839500ddc4a10439ccd11ca841eca1a1219af9","first_computed_at":"2026-05-18T02:01:58.855471Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:58.855471Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RgocDyY4L2ZMuPvfb2ZKdLcnZsiFc34Gp+Nk15JZRXMq6C3c37cLMb4NN0s9BDQJMUKChhss7XzIthqKreImBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:58.856160Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.2577","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d2328145f5a593ee6d89f634bc575a3f1c9855142ed79d89507b637e1ef7088c","sha256:7fbbab602c630fffcd0a280824dcc72bda817047847fb53e0578a2609807db8f"],"state_sha256":"d5a89489ad2a77ff615cdf5e9a76388817c87b1cf55512a155b79b27c21bb1ba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3L0NqwMFcuaN/LFn9EmwB7tbGfDl9GszEGBrD+HLsiH8kSn9Icp1CVv+GuJTGwtlXB5MzF/85JM1B20tZmiEDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T05:20:44.014021Z","bundle_sha256":"6afec597be1fb9878543bb106b5d498a0c07c694622e05877dccde4699e439a5"}}