{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:7SVFHEMNC4VX63TSOBEQCZD2MW","short_pith_number":"pith:7SVFHEMN","canonical_record":{"source":{"id":"1703.08647","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-03-25T04:38:51Z","cross_cats_sorted":[],"title_canon_sha256":"7b92df62226365e296d51d3846be1a5a3220a0866e12e8eab74804529dd28801","abstract_canon_sha256":"9ba96725f2d71e51f1d06d4468149eac13e9782b96533f630051e1c267f44e39"},"schema_version":"1.0"},"canonical_sha256":"fcaa53918d172b7f6e72704901647a65babcb33434c4f8749f1c56195f18c1e6","source":{"kind":"arxiv","id":"1703.08647","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.08647","created_at":"2026-05-18T00:15:59Z"},{"alias_kind":"arxiv_version","alias_value":"1703.08647v1","created_at":"2026-05-18T00:15:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.08647","created_at":"2026-05-18T00:15:59Z"},{"alias_kind":"pith_short_12","alias_value":"7SVFHEMNC4VX","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"7SVFHEMNC4VX63TS","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"7SVFHEMN","created_at":"2026-05-18T12:31:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:7SVFHEMNC4VX63TSOBEQCZD2MW","target":"record","payload":{"canonical_record":{"source":{"id":"1703.08647","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-03-25T04:38:51Z","cross_cats_sorted":[],"title_canon_sha256":"7b92df62226365e296d51d3846be1a5a3220a0866e12e8eab74804529dd28801","abstract_canon_sha256":"9ba96725f2d71e51f1d06d4468149eac13e9782b96533f630051e1c267f44e39"},"schema_version":"1.0"},"canonical_sha256":"fcaa53918d172b7f6e72704901647a65babcb33434c4f8749f1c56195f18c1e6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:15:59.393374Z","signature_b64":"3F0S0hvnR3cAtP1QnbHMGv0PScKl2+AdBOSr0VRP3qX7WmPKbuOsMw9x4jnflSK7+YMQQRJGBy58YRd7NTyKAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fcaa53918d172b7f6e72704901647a65babcb33434c4f8749f1c56195f18c1e6","last_reissued_at":"2026-05-18T00:15:59.392782Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:15:59.392782Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.08647","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":"2026-05-18T00:15:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hqpI2Wb17EqZYAhjG1chhtf3UdwK8upmBvmilqzl1P0/HDviGKlbE4/APnSvHYvhhBzjcXdmx9T66H4oCGm+CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T05:02:55.347231Z"},"content_sha256":"08e3e06e35a00a1e3b32711d01e2c72a90cb81e14009aa51d7268f6d5d2289fb","schema_version":"1.0","event_id":"sha256:08e3e06e35a00a1e3b32711d01e2c72a90cb81e14009aa51d7268f6d5d2289fb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:7SVFHEMNC4VX63TSOBEQCZD2MW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Toward an initial mass function for giant planets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Anders Johansen, Daniel Carrera, Melvyn B. Davies","submitted_at":"2017-03-25T04:38:51Z","abstract_excerpt":"The distribution of exoplanet masses is not primordial. After the initial stage of planet formation is complete, the gravitational interactions between planets can lead to the physical collision of two planets, or the ejection of one or more planets from the system. When this occurs, the remaining planets are typically left in more eccentric orbits. Here we use present-day eccentricities of the observed exoplanet population to reconstruct the initial mass function of exoplanets before the onset of dynamical instability. We developed a Bayesian framework that combines data from N-body simulatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.08647","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":"2026-05-18T00:15:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wv/3YC9Wl/iKZhHbH5XoQVnHq6PFPEHyzjGGNppAHdWnDRUNA8w/HsaJn9I+5UKPAVoUOtt5C8cOBp5F12I7AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T05:02:55.347927Z"},"content_sha256":"5b2eb1f7b8bd4642aebfa328a7c6609b14ae2392531f7656e417acbc5069e59a","schema_version":"1.0","event_id":"sha256:5b2eb1f7b8bd4642aebfa328a7c6609b14ae2392531f7656e417acbc5069e59a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7SVFHEMNC4VX63TSOBEQCZD2MW/bundle.json","state_url":"https://pith.science/pith/7SVFHEMNC4VX63TSOBEQCZD2MW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7SVFHEMNC4VX63TSOBEQCZD2MW/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":"2026-05-25T05:02:55Z","links":{"resolver":"https://pith.science/pith/7SVFHEMNC4VX63TSOBEQCZD2MW","bundle":"https://pith.science/pith/7SVFHEMNC4VX63TSOBEQCZD2MW/bundle.json","state":"https://pith.science/pith/7SVFHEMNC4VX63TSOBEQCZD2MW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7SVFHEMNC4VX63TSOBEQCZD2MW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:7SVFHEMNC4VX63TSOBEQCZD2MW","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":"9ba96725f2d71e51f1d06d4468149eac13e9782b96533f630051e1c267f44e39","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-03-25T04:38:51Z","title_canon_sha256":"7b92df62226365e296d51d3846be1a5a3220a0866e12e8eab74804529dd28801"},"schema_version":"1.0","source":{"id":"1703.08647","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.08647","created_at":"2026-05-18T00:15:59Z"},{"alias_kind":"arxiv_version","alias_value":"1703.08647v1","created_at":"2026-05-18T00:15:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.08647","created_at":"2026-05-18T00:15:59Z"},{"alias_kind":"pith_short_12","alias_value":"7SVFHEMNC4VX","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"7SVFHEMNC4VX63TS","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"7SVFHEMN","created_at":"2026-05-18T12:31:05Z"}],"graph_snapshots":[{"event_id":"sha256:5b2eb1f7b8bd4642aebfa328a7c6609b14ae2392531f7656e417acbc5069e59a","target":"graph","created_at":"2026-05-18T00:15:59Z","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 distribution of exoplanet masses is not primordial. After the initial stage of planet formation is complete, the gravitational interactions between planets can lead to the physical collision of two planets, or the ejection of one or more planets from the system. When this occurs, the remaining planets are typically left in more eccentric orbits. Here we use present-day eccentricities of the observed exoplanet population to reconstruct the initial mass function of exoplanets before the onset of dynamical instability. We developed a Bayesian framework that combines data from N-body simulatio","authors_text":"Anders Johansen, Daniel Carrera, Melvyn B. Davies","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-03-25T04:38:51Z","title":"Toward an initial mass function for giant planets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.08647","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":"sha256:08e3e06e35a00a1e3b32711d01e2c72a90cb81e14009aa51d7268f6d5d2289fb","target":"record","created_at":"2026-05-18T00:15:59Z","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":"9ba96725f2d71e51f1d06d4468149eac13e9782b96533f630051e1c267f44e39","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-03-25T04:38:51Z","title_canon_sha256":"7b92df62226365e296d51d3846be1a5a3220a0866e12e8eab74804529dd28801"},"schema_version":"1.0","source":{"id":"1703.08647","kind":"arxiv","version":1}},"canonical_sha256":"fcaa53918d172b7f6e72704901647a65babcb33434c4f8749f1c56195f18c1e6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fcaa53918d172b7f6e72704901647a65babcb33434c4f8749f1c56195f18c1e6","first_computed_at":"2026-05-18T00:15:59.392782Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:15:59.392782Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3F0S0hvnR3cAtP1QnbHMGv0PScKl2+AdBOSr0VRP3qX7WmPKbuOsMw9x4jnflSK7+YMQQRJGBy58YRd7NTyKAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:15:59.393374Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.08647","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:08e3e06e35a00a1e3b32711d01e2c72a90cb81e14009aa51d7268f6d5d2289fb","sha256:5b2eb1f7b8bd4642aebfa328a7c6609b14ae2392531f7656e417acbc5069e59a"],"state_sha256":"938849eb2fd9d1920d89d93e2852fcd05778709203eae75adcdb43773061ec32"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dgCsyksRBdzHofB+Ate37QInB9JiYj1YJmAkIPVWGnHW3xlBFrEBBEhZoEB9aHfhaUWtZfmob4+6Xst/pk3ACA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T05:02:55.350641Z","bundle_sha256":"c9a377036014d775ca0b85ac40e21a78f3ade693464ff7465e3c3eb11aaaaae6"}}