{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:SDYX5NLN6EVIFO2KTB5YGFJFH7","short_pith_number":"pith:SDYX5NLN","canonical_record":{"source":{"id":"1404.2120","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-04-08T13:28:15Z","cross_cats_sorted":[],"title_canon_sha256":"e8a2ea12cc45da779e48e0fc0db7d8ac45ea2f3765a26e4a1ac9ebfd839f4cf0","abstract_canon_sha256":"b8447af0e97b9cc3395447ac587e79b0475ab37ffd7e016113646cc295bad465"},"schema_version":"1.0"},"canonical_sha256":"90f17eb56df12a82bb4a987b8315253fd162d33ef4e3ddc9a53ce95fb2b519a1","source":{"kind":"arxiv","id":"1404.2120","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.2120","created_at":"2026-05-18T02:51:33Z"},{"alias_kind":"arxiv_version","alias_value":"1404.2120v1","created_at":"2026-05-18T02:51:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.2120","created_at":"2026-05-18T02:51:33Z"},{"alias_kind":"pith_short_12","alias_value":"SDYX5NLN6EVI","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SDYX5NLN6EVIFO2K","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SDYX5NLN","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:SDYX5NLN6EVIFO2KTB5YGFJFH7","target":"record","payload":{"canonical_record":{"source":{"id":"1404.2120","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-04-08T13:28:15Z","cross_cats_sorted":[],"title_canon_sha256":"e8a2ea12cc45da779e48e0fc0db7d8ac45ea2f3765a26e4a1ac9ebfd839f4cf0","abstract_canon_sha256":"b8447af0e97b9cc3395447ac587e79b0475ab37ffd7e016113646cc295bad465"},"schema_version":"1.0"},"canonical_sha256":"90f17eb56df12a82bb4a987b8315253fd162d33ef4e3ddc9a53ce95fb2b519a1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:51:33.053744Z","signature_b64":"INRfS+acnTwy67U+kArJLFtJs3LwrWJCrAml78McPPDPDLGElPnsIXdZQab7MLOq2+VMZ2SwJB4x7T+dYfwsDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"90f17eb56df12a82bb4a987b8315253fd162d33ef4e3ddc9a53ce95fb2b519a1","last_reissued_at":"2026-05-18T02:51:33.053149Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:51:33.053149Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.2120","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":"2026-05-18T02:51:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ocZm5T0pCJ9wgf1THitw9+V9Qb9xMzBiANnOVpF7hqInHPmelm58OWvsRUJZ0I18bRhQI3OeKrNCnU0tk5TGCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T20:23:47.152706Z"},"content_sha256":"76b205f245b85cd6eb3f7fc926dee694b86842b8eaddf89b14bf44541d02d011","schema_version":"1.0","event_id":"sha256:76b205f245b85cd6eb3f7fc926dee694b86842b8eaddf89b14bf44541d02d011"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:SDYX5NLN6EVIFO2KTB5YGFJFH7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modeling magnesium escape from HD209458b atmosphere","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"A. Lecavelier des Etangs, A. Vidal-Madjar, V. Bourrier","submitted_at":"2014-04-08T13:28:15Z","abstract_excerpt":"Transit observations in the MgI line of HD209458b revealed signatures of neutral magnesium escaping the upper atmosphere of the planet, while no atmospheric absorption was found in the MgII doublet. Here we present a 3D particle model of the dynamics of neutral and ionized magnesium populations, coupled with an analytical modeling of the atmosphere below the exobase. Theoretical MgI absorption line profiles are directly compared with the absorption observed in the blue wing of the line during the planet transit. Observations are well-fitted with an escape rate of neutral magnesium in the range"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.2120","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":"2026-05-18T02:51:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ymFHts8ppepB6PGoxkhlbt3oYC8yQMmp8gv6bW7LtFTxYTkQx+8wKuVBNc0K+ZgZQ4FIi7x/MTerjouX+PeCCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T20:23:47.153118Z"},"content_sha256":"e0e572c63e471f963c437ec0f316cf2e609c09dcc766bf3c4da6ce728c2f7cf2","schema_version":"1.0","event_id":"sha256:e0e572c63e471f963c437ec0f316cf2e609c09dcc766bf3c4da6ce728c2f7cf2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SDYX5NLN6EVIFO2KTB5YGFJFH7/bundle.json","state_url":"https://pith.science/pith/SDYX5NLN6EVIFO2KTB5YGFJFH7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SDYX5NLN6EVIFO2KTB5YGFJFH7/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":"2026-07-04T20:23:47Z","links":{"resolver":"https://pith.science/pith/SDYX5NLN6EVIFO2KTB5YGFJFH7","bundle":"https://pith.science/pith/SDYX5NLN6EVIFO2KTB5YGFJFH7/bundle.json","state":"https://pith.science/pith/SDYX5NLN6EVIFO2KTB5YGFJFH7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SDYX5NLN6EVIFO2KTB5YGFJFH7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:SDYX5NLN6EVIFO2KTB5YGFJFH7","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":"b8447af0e97b9cc3395447ac587e79b0475ab37ffd7e016113646cc295bad465","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-04-08T13:28:15Z","title_canon_sha256":"e8a2ea12cc45da779e48e0fc0db7d8ac45ea2f3765a26e4a1ac9ebfd839f4cf0"},"schema_version":"1.0","source":{"id":"1404.2120","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.2120","created_at":"2026-05-18T02:51:33Z"},{"alias_kind":"arxiv_version","alias_value":"1404.2120v1","created_at":"2026-05-18T02:51:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.2120","created_at":"2026-05-18T02:51:33Z"},{"alias_kind":"pith_short_12","alias_value":"SDYX5NLN6EVI","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SDYX5NLN6EVIFO2K","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SDYX5NLN","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:e0e572c63e471f963c437ec0f316cf2e609c09dcc766bf3c4da6ce728c2f7cf2","target":"graph","created_at":"2026-05-18T02:51:33Z","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":"Transit observations in the MgI line of HD209458b revealed signatures of neutral magnesium escaping the upper atmosphere of the planet, while no atmospheric absorption was found in the MgII doublet. Here we present a 3D particle model of the dynamics of neutral and ionized magnesium populations, coupled with an analytical modeling of the atmosphere below the exobase. Theoretical MgI absorption line profiles are directly compared with the absorption observed in the blue wing of the line during the planet transit. Observations are well-fitted with an escape rate of neutral magnesium in the range","authors_text":"A. Lecavelier des Etangs, A. Vidal-Madjar, V. Bourrier","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-04-08T13:28:15Z","title":"Modeling magnesium escape from HD209458b atmosphere"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.2120","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":"sha256:76b205f245b85cd6eb3f7fc926dee694b86842b8eaddf89b14bf44541d02d011","target":"record","created_at":"2026-05-18T02:51:33Z","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":"b8447af0e97b9cc3395447ac587e79b0475ab37ffd7e016113646cc295bad465","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-04-08T13:28:15Z","title_canon_sha256":"e8a2ea12cc45da779e48e0fc0db7d8ac45ea2f3765a26e4a1ac9ebfd839f4cf0"},"schema_version":"1.0","source":{"id":"1404.2120","kind":"arxiv","version":1}},"canonical_sha256":"90f17eb56df12a82bb4a987b8315253fd162d33ef4e3ddc9a53ce95fb2b519a1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"90f17eb56df12a82bb4a987b8315253fd162d33ef4e3ddc9a53ce95fb2b519a1","first_computed_at":"2026-05-18T02:51:33.053149Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:51:33.053149Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"INRfS+acnTwy67U+kArJLFtJs3LwrWJCrAml78McPPDPDLGElPnsIXdZQab7MLOq2+VMZ2SwJB4x7T+dYfwsDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:51:33.053744Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.2120","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:76b205f245b85cd6eb3f7fc926dee694b86842b8eaddf89b14bf44541d02d011","sha256:e0e572c63e471f963c437ec0f316cf2e609c09dcc766bf3c4da6ce728c2f7cf2"],"state_sha256":"2c9d8ed482acce9b56caa0d411d3d55cd94a20e19aa1c18218909125e55afc91"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"piYw4egcRkA7nxIxLgsj+qPhP42p9LK5i9wdHhe/BVwR58nkjN+Kqmft21aT6E9l7e1Izbyg20CKkBdEJhazBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T20:23:47.155410Z","bundle_sha256":"319cf6459dde5723db365b4afa3364c08a6cf3f1842806775e1a981782fe02fe"}}