{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:WNI6RMRXCTRQ2Z7DOX3RMEGFEG","short_pith_number":"pith:WNI6RMRX","canonical_record":{"source":{"id":"1711.05331","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-11-14T22:16:14Z","cross_cats_sorted":[],"title_canon_sha256":"fc6fc4b9e0aced7f5e51e0167fc9f434c5e0c3199006e705edab081e1d45b2bf","abstract_canon_sha256":"20058ce48ecd9ee0c3467254956505ec806329c10481912a05cc9e087aa8cbd3"},"schema_version":"1.0"},"canonical_sha256":"b351e8b23714e30d67e375f71610c52182e184c074f1744dac82fc822eca48e8","source":{"kind":"arxiv","id":"1711.05331","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.05331","created_at":"2026-05-18T00:27:41Z"},{"alias_kind":"arxiv_version","alias_value":"1711.05331v1","created_at":"2026-05-18T00:27:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.05331","created_at":"2026-05-18T00:27:41Z"},{"alias_kind":"pith_short_12","alias_value":"WNI6RMRXCTRQ","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WNI6RMRXCTRQ2Z7D","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WNI6RMRX","created_at":"2026-05-18T12:31:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:WNI6RMRXCTRQ2Z7DOX3RMEGFEG","target":"record","payload":{"canonical_record":{"source":{"id":"1711.05331","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-11-14T22:16:14Z","cross_cats_sorted":[],"title_canon_sha256":"fc6fc4b9e0aced7f5e51e0167fc9f434c5e0c3199006e705edab081e1d45b2bf","abstract_canon_sha256":"20058ce48ecd9ee0c3467254956505ec806329c10481912a05cc9e087aa8cbd3"},"schema_version":"1.0"},"canonical_sha256":"b351e8b23714e30d67e375f71610c52182e184c074f1744dac82fc822eca48e8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:41.656887Z","signature_b64":"mJNK2IRAqs6pWrGGrN8vhsK/FdUckIy/HYvtYD/Sq8AyiuNegFScSpaurPk4gT1Yq6xhkXVE0XA+LPQD/mTqAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b351e8b23714e30d67e375f71610c52182e184c074f1744dac82fc822eca48e8","last_reissued_at":"2026-05-18T00:27:41.656168Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:41.656168Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.05331","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":"2026-05-18T00:27:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XmWEqzeGuNJZzofSDkjnr2ApZJlKVeMQ521N+waokG84FALpm7LdzIh2t3TaX0kU4OUCOA9qCGuDHz7g+z8UDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T11:47:07.099582Z"},"content_sha256":"5b8bb9287963a024261b705171e1d80a5848e7bb04a1560351d6492c59e1fafa","schema_version":"1.0","event_id":"sha256:5b8bb9287963a024261b705171e1d80a5848e7bb04a1560351d6492c59e1fafa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:WNI6RMRXCTRQ2Z7DOX3RMEGFEG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermal effects of late accretion to the crust and mantle of Mercury","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Elizabeth A. Frank, Oleg Abramov, Ramon Brasser, Stephen J. Mojzsis","submitted_at":"2017-11-14T22:16:14Z","abstract_excerpt":"Impact bombardment on Mercury in the solar system late accretion phase (ca. 4.4 to 3.8 Ga) caused considerable mechanical, chemical and thermal reworking of its silicate reservoirs (crust and mantle). Depending on the frequency, size and velocity of such impactors, effects included regional and global scale crustal melting, and thermal perturbations of the mercurian mantle. We use a 3D transient heating model to test the effects of two bombardment scenarios on early (pre Tolstojan) Mercury mantle and crust. Results show that rare impacts by the largest (greater than 100 km diameter) bodies del"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.05331","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":"2026-05-18T00:27:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PSxKhEvRpwMuUrJtDGZuhZeywwAmSqZDxUak+dKrY4Bqz5PC9MNZkVms2bozYnMQ9ONMbwdQHnQNoSqbtJXAAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T11:47:07.099926Z"},"content_sha256":"a0052a35d26768ab27706f31f68021513c46515ac7c5f97e278fb23298123eaf","schema_version":"1.0","event_id":"sha256:a0052a35d26768ab27706f31f68021513c46515ac7c5f97e278fb23298123eaf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WNI6RMRXCTRQ2Z7DOX3RMEGFEG/bundle.json","state_url":"https://pith.science/pith/WNI6RMRXCTRQ2Z7DOX3RMEGFEG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WNI6RMRXCTRQ2Z7DOX3RMEGFEG/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":"2026-06-11T11:47:07Z","links":{"resolver":"https://pith.science/pith/WNI6RMRXCTRQ2Z7DOX3RMEGFEG","bundle":"https://pith.science/pith/WNI6RMRXCTRQ2Z7DOX3RMEGFEG/bundle.json","state":"https://pith.science/pith/WNI6RMRXCTRQ2Z7DOX3RMEGFEG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WNI6RMRXCTRQ2Z7DOX3RMEGFEG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:WNI6RMRXCTRQ2Z7DOX3RMEGFEG","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":"20058ce48ecd9ee0c3467254956505ec806329c10481912a05cc9e087aa8cbd3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-11-14T22:16:14Z","title_canon_sha256":"fc6fc4b9e0aced7f5e51e0167fc9f434c5e0c3199006e705edab081e1d45b2bf"},"schema_version":"1.0","source":{"id":"1711.05331","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.05331","created_at":"2026-05-18T00:27:41Z"},{"alias_kind":"arxiv_version","alias_value":"1711.05331v1","created_at":"2026-05-18T00:27:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.05331","created_at":"2026-05-18T00:27:41Z"},{"alias_kind":"pith_short_12","alias_value":"WNI6RMRXCTRQ","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WNI6RMRXCTRQ2Z7D","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WNI6RMRX","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:a0052a35d26768ab27706f31f68021513c46515ac7c5f97e278fb23298123eaf","target":"graph","created_at":"2026-05-18T00:27:41Z","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":"Impact bombardment on Mercury in the solar system late accretion phase (ca. 4.4 to 3.8 Ga) caused considerable mechanical, chemical and thermal reworking of its silicate reservoirs (crust and mantle). Depending on the frequency, size and velocity of such impactors, effects included regional and global scale crustal melting, and thermal perturbations of the mercurian mantle. We use a 3D transient heating model to test the effects of two bombardment scenarios on early (pre Tolstojan) Mercury mantle and crust. Results show that rare impacts by the largest (greater than 100 km diameter) bodies del","authors_text":"Elizabeth A. Frank, Oleg Abramov, Ramon Brasser, Stephen J. Mojzsis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-11-14T22:16:14Z","title":"Thermal effects of late accretion to the crust and mantle of Mercury"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.05331","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":"sha256:5b8bb9287963a024261b705171e1d80a5848e7bb04a1560351d6492c59e1fafa","target":"record","created_at":"2026-05-18T00:27:41Z","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":"20058ce48ecd9ee0c3467254956505ec806329c10481912a05cc9e087aa8cbd3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-11-14T22:16:14Z","title_canon_sha256":"fc6fc4b9e0aced7f5e51e0167fc9f434c5e0c3199006e705edab081e1d45b2bf"},"schema_version":"1.0","source":{"id":"1711.05331","kind":"arxiv","version":1}},"canonical_sha256":"b351e8b23714e30d67e375f71610c52182e184c074f1744dac82fc822eca48e8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b351e8b23714e30d67e375f71610c52182e184c074f1744dac82fc822eca48e8","first_computed_at":"2026-05-18T00:27:41.656168Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:41.656168Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mJNK2IRAqs6pWrGGrN8vhsK/FdUckIy/HYvtYD/Sq8AyiuNegFScSpaurPk4gT1Yq6xhkXVE0XA+LPQD/mTqAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:41.656887Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.05331","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5b8bb9287963a024261b705171e1d80a5848e7bb04a1560351d6492c59e1fafa","sha256:a0052a35d26768ab27706f31f68021513c46515ac7c5f97e278fb23298123eaf"],"state_sha256":"e27294336b949b3fce67a7d4e09d18f8458e642f387eb5d9b7c411b82f4df767"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BJDpoI7cOQdGup+w2i1mDxD4k5dr19dgLb85RVJXstpUTFNAnvRbrnjm8Vx+SLljzD3LEG87iK/tmLIbuK7oDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T11:47:07.101801Z","bundle_sha256":"ef91470e7b69b719456a033903cfc42fa9426ed413768b9d9d17c89c1906f042"}}