{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JQPWMHYQYTUXMBPXB4QTZ6LITZ","short_pith_number":"pith:JQPWMHYQ","canonical_record":{"source":{"id":"1802.10223","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-02-28T01:09:34Z","cross_cats_sorted":[],"title_canon_sha256":"5d8d25adf895ca3487f18882bc3e2671a53a8d726d308648e0223712e572545c","abstract_canon_sha256":"ca58d6afb6f615257f6ce9905966e720f4c1ffe08c897e86dd83b9614c2d9116"},"schema_version":"1.0"},"canonical_sha256":"4c1f661f10c4e97605f70f213cf9689e6b0b24d5e64e16256ca77a4113a2f8a0","source":{"kind":"arxiv","id":"1802.10223","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.10223","created_at":"2026-05-18T00:22:17Z"},{"alias_kind":"arxiv_version","alias_value":"1802.10223v1","created_at":"2026-05-18T00:22:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.10223","created_at":"2026-05-18T00:22:17Z"},{"alias_kind":"pith_short_12","alias_value":"JQPWMHYQYTUX","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JQPWMHYQYTUXMBPX","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JQPWMHYQ","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JQPWMHYQYTUXMBPXB4QTZ6LITZ","target":"record","payload":{"canonical_record":{"source":{"id":"1802.10223","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-02-28T01:09:34Z","cross_cats_sorted":[],"title_canon_sha256":"5d8d25adf895ca3487f18882bc3e2671a53a8d726d308648e0223712e572545c","abstract_canon_sha256":"ca58d6afb6f615257f6ce9905966e720f4c1ffe08c897e86dd83b9614c2d9116"},"schema_version":"1.0"},"canonical_sha256":"4c1f661f10c4e97605f70f213cf9689e6b0b24d5e64e16256ca77a4113a2f8a0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:17.774781Z","signature_b64":"UrdMMg+1TTAzaOzHjmMtIwcW/nojgiW2ZfUztRISzIo2o0ozDUXNoLto38FpxCMyRyiR9a7YEqfTpziJtn1ICA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c1f661f10c4e97605f70f213cf9689e6b0b24d5e64e16256ca77a4113a2f8a0","last_reissued_at":"2026-05-18T00:22:17.774206Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:17.774206Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.10223","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":"2026-05-18T00:22:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pgOFgckoNyBLHLCBgXchlkMGEMnA3/ZMYFdYdgtmERgHZg/uH1u7xDapsNc/HZK2yUlgi+q+AuogjR+6meBGCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:27:14.030411Z"},"content_sha256":"0f100a2b1090b80a243c5c68756ce83742542f854c9ae1cfd39c01144ee0f49a","schema_version":"1.0","event_id":"sha256:0f100a2b1090b80a243c5c68756ce83742542f854c9ae1cfd39c01144ee0f49a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JQPWMHYQYTUXMBPXB4QTZ6LITZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The origin of the Moon within a terrestrial synestia","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Matija \\'Cuk, Mia T. Mace, Michail I. Petaev, Sarah T. Stewart, Simon J. Lock, Stein B. Jacobsen, Zoe M. Leinhardt","submitted_at":"2018-02-28T01:09:34Z","abstract_excerpt":"The giant impact hypothesis remains the leading theory for lunar origin. However, current models struggle to explain the Moon's composition and isotopic similarity with Earth. Here we present a new lunar origin model. High-energy, high-angular momentum giant impacts can create a post-impact structure that exceeds the corotation limit (CoRoL), which defines the hottest thermal state and angular momentum possible for a corotating body. In a typical super-CoRoL body, traditional definitions of mantle, atmosphere and disk are not appropriate, and the body forms a new type of planetary structure, n"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.10223","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":"2026-05-18T00:22:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X2biyd4YE2ORs45Ldk7Xoi+M2lZVDz0btXqcwDDzymdFebNaqOwKXsT7ZzLmF1OyheMi7EdYI7fLXxyxF2dZCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:27:14.031000Z"},"content_sha256":"4feca794b8a6fd6ad3f23db614db0bbc29f84e8a5e4f84cba8466a7307844529","schema_version":"1.0","event_id":"sha256:4feca794b8a6fd6ad3f23db614db0bbc29f84e8a5e4f84cba8466a7307844529"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JQPWMHYQYTUXMBPXB4QTZ6LITZ/bundle.json","state_url":"https://pith.science/pith/JQPWMHYQYTUXMBPXB4QTZ6LITZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JQPWMHYQYTUXMBPXB4QTZ6LITZ/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":"2026-05-27T18:27:14Z","links":{"resolver":"https://pith.science/pith/JQPWMHYQYTUXMBPXB4QTZ6LITZ","bundle":"https://pith.science/pith/JQPWMHYQYTUXMBPXB4QTZ6LITZ/bundle.json","state":"https://pith.science/pith/JQPWMHYQYTUXMBPXB4QTZ6LITZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JQPWMHYQYTUXMBPXB4QTZ6LITZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JQPWMHYQYTUXMBPXB4QTZ6LITZ","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":"ca58d6afb6f615257f6ce9905966e720f4c1ffe08c897e86dd83b9614c2d9116","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-02-28T01:09:34Z","title_canon_sha256":"5d8d25adf895ca3487f18882bc3e2671a53a8d726d308648e0223712e572545c"},"schema_version":"1.0","source":{"id":"1802.10223","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.10223","created_at":"2026-05-18T00:22:17Z"},{"alias_kind":"arxiv_version","alias_value":"1802.10223v1","created_at":"2026-05-18T00:22:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.10223","created_at":"2026-05-18T00:22:17Z"},{"alias_kind":"pith_short_12","alias_value":"JQPWMHYQYTUX","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JQPWMHYQYTUXMBPX","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JQPWMHYQ","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:4feca794b8a6fd6ad3f23db614db0bbc29f84e8a5e4f84cba8466a7307844529","target":"graph","created_at":"2026-05-18T00:22:17Z","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 giant impact hypothesis remains the leading theory for lunar origin. However, current models struggle to explain the Moon's composition and isotopic similarity with Earth. Here we present a new lunar origin model. High-energy, high-angular momentum giant impacts can create a post-impact structure that exceeds the corotation limit (CoRoL), which defines the hottest thermal state and angular momentum possible for a corotating body. In a typical super-CoRoL body, traditional definitions of mantle, atmosphere and disk are not appropriate, and the body forms a new type of planetary structure, n","authors_text":"Matija \\'Cuk, Mia T. Mace, Michail I. Petaev, Sarah T. Stewart, Simon J. Lock, Stein B. Jacobsen, Zoe M. Leinhardt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-02-28T01:09:34Z","title":"The origin of the Moon within a terrestrial synestia"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.10223","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":"sha256:0f100a2b1090b80a243c5c68756ce83742542f854c9ae1cfd39c01144ee0f49a","target":"record","created_at":"2026-05-18T00:22:17Z","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":"ca58d6afb6f615257f6ce9905966e720f4c1ffe08c897e86dd83b9614c2d9116","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-02-28T01:09:34Z","title_canon_sha256":"5d8d25adf895ca3487f18882bc3e2671a53a8d726d308648e0223712e572545c"},"schema_version":"1.0","source":{"id":"1802.10223","kind":"arxiv","version":1}},"canonical_sha256":"4c1f661f10c4e97605f70f213cf9689e6b0b24d5e64e16256ca77a4113a2f8a0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4c1f661f10c4e97605f70f213cf9689e6b0b24d5e64e16256ca77a4113a2f8a0","first_computed_at":"2026-05-18T00:22:17.774206Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:17.774206Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UrdMMg+1TTAzaOzHjmMtIwcW/nojgiW2ZfUztRISzIo2o0ozDUXNoLto38FpxCMyRyiR9a7YEqfTpziJtn1ICA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:17.774781Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.10223","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0f100a2b1090b80a243c5c68756ce83742542f854c9ae1cfd39c01144ee0f49a","sha256:4feca794b8a6fd6ad3f23db614db0bbc29f84e8a5e4f84cba8466a7307844529"],"state_sha256":"f3046f42b3c4f77326b24b47d3d8ea64581e04cb20b501f81095e8d207fc2227"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ssVoN8w0M2KgRiz0tKw9whePTRirXSpYks0OT4vF2VFoNd+Rip+C99r8zXsOTu8Rt4X+wGXA5jXWkjtJCReLDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T18:27:14.033780Z","bundle_sha256":"df0e4d276c8ec47c2bf3786b3bf9fb9011e1be4141c352bcc66c77dc8671341b"}}