{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:2CZRFOOSNP62ZWSO5OVLMJZ3VR","short_pith_number":"pith:2CZRFOOS","canonical_record":{"source":{"id":"1710.09776","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-10-26T15:57:33Z","cross_cats_sorted":[],"title_canon_sha256":"318457dd154d388e239b9831c2b009ddf3a822b40c7c3bd0e403f15ab13fe2ec","abstract_canon_sha256":"41e7afd02c2c4b4abf6510df5736ab0656e3941aa750f61058a52dc7fa8f64b5"},"schema_version":"1.0"},"canonical_sha256":"d0b312b9d26bfdacda4eebaab6273bac4d07af00509da103d9bdeba21ba835e9","source":{"kind":"arxiv","id":"1710.09776","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.09776","created_at":"2026-05-18T00:28:51Z"},{"alias_kind":"arxiv_version","alias_value":"1710.09776v1","created_at":"2026-05-18T00:28:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.09776","created_at":"2026-05-18T00:28:51Z"},{"alias_kind":"pith_short_12","alias_value":"2CZRFOOSNP62","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"2CZRFOOSNP62ZWSO","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"2CZRFOOS","created_at":"2026-05-18T12:30:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:2CZRFOOSNP62ZWSO5OVLMJZ3VR","target":"record","payload":{"canonical_record":{"source":{"id":"1710.09776","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-10-26T15:57:33Z","cross_cats_sorted":[],"title_canon_sha256":"318457dd154d388e239b9831c2b009ddf3a822b40c7c3bd0e403f15ab13fe2ec","abstract_canon_sha256":"41e7afd02c2c4b4abf6510df5736ab0656e3941aa750f61058a52dc7fa8f64b5"},"schema_version":"1.0"},"canonical_sha256":"d0b312b9d26bfdacda4eebaab6273bac4d07af00509da103d9bdeba21ba835e9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:51.926800Z","signature_b64":"ecFfmozapAKGGgj2GHdf/z1jO1Yymv7B1uzcqCLqFPUtshkBDWtLSzbL6ysVnPaxa86MOS3FRJyfNjVdEJasDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d0b312b9d26bfdacda4eebaab6273bac4d07af00509da103d9bdeba21ba835e9","last_reissued_at":"2026-05-18T00:28:51.926280Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:51.926280Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.09776","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":"2026-05-18T00:28:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uoXfjXYRduY9gvsQuRuAeJn54m3RSUWZE/pHiWdGG3YkDGCn7xsz2zEn3EcYIpg4O61lmlus9dfr8iE+ZRxYCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:54:01.995704Z"},"content_sha256":"c9a0b9e28c56035c20a35e420dd58873e5c46de5268d354151264294af327001","schema_version":"1.0","event_id":"sha256:c9a0b9e28c56035c20a35e420dd58873e5c46de5268d354151264294af327001"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:2CZRFOOSNP62ZWSO5OVLMJZ3VR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraints on Super-Earths Interiors from Stellar Abundances","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"B. Brugger, F. Deschamps, M. Deleuil, O. Mousis","submitted_at":"2017-10-26T15:57:33Z","abstract_excerpt":"Modeling the interior of exoplanets is essential to go further than the conclusions provided by mean density measurements. In addition to the still limited precision on the planets' fundamental parameters, models are limited by the existence of degeneracies on their compositions. Here we present a model of internal structure dedicated to the study of solid planets up to ~10 Earth masses, i.e. Super-Earths. When the measurement is available, the assumption that the bulk Fe/Si ratio of a planet is similar to that of its host star allows us to significantly reduce the existing degeneracy and more"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.09776","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":"2026-05-18T00:28:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vhP+9jUUpxDT51MS1/x3HE3EfZ7VI/aH52K+BRm21mq+XyXfg21IC7m37feRh6Rabt+Ea/rFcd9N7FAph4DrCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:54:01.996046Z"},"content_sha256":"2dee7490731e0a40af4c22fbe909269f64e2e7bc3bdde6e19cce01db4805a98e","schema_version":"1.0","event_id":"sha256:2dee7490731e0a40af4c22fbe909269f64e2e7bc3bdde6e19cce01db4805a98e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2CZRFOOSNP62ZWSO5OVLMJZ3VR/bundle.json","state_url":"https://pith.science/pith/2CZRFOOSNP62ZWSO5OVLMJZ3VR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2CZRFOOSNP62ZWSO5OVLMJZ3VR/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":"2026-06-03T19:54:01Z","links":{"resolver":"https://pith.science/pith/2CZRFOOSNP62ZWSO5OVLMJZ3VR","bundle":"https://pith.science/pith/2CZRFOOSNP62ZWSO5OVLMJZ3VR/bundle.json","state":"https://pith.science/pith/2CZRFOOSNP62ZWSO5OVLMJZ3VR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2CZRFOOSNP62ZWSO5OVLMJZ3VR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:2CZRFOOSNP62ZWSO5OVLMJZ3VR","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":"41e7afd02c2c4b4abf6510df5736ab0656e3941aa750f61058a52dc7fa8f64b5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-10-26T15:57:33Z","title_canon_sha256":"318457dd154d388e239b9831c2b009ddf3a822b40c7c3bd0e403f15ab13fe2ec"},"schema_version":"1.0","source":{"id":"1710.09776","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.09776","created_at":"2026-05-18T00:28:51Z"},{"alias_kind":"arxiv_version","alias_value":"1710.09776v1","created_at":"2026-05-18T00:28:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.09776","created_at":"2026-05-18T00:28:51Z"},{"alias_kind":"pith_short_12","alias_value":"2CZRFOOSNP62","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"2CZRFOOSNP62ZWSO","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"2CZRFOOS","created_at":"2026-05-18T12:30:55Z"}],"graph_snapshots":[{"event_id":"sha256:2dee7490731e0a40af4c22fbe909269f64e2e7bc3bdde6e19cce01db4805a98e","target":"graph","created_at":"2026-05-18T00:28:51Z","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":"Modeling the interior of exoplanets is essential to go further than the conclusions provided by mean density measurements. In addition to the still limited precision on the planets' fundamental parameters, models are limited by the existence of degeneracies on their compositions. Here we present a model of internal structure dedicated to the study of solid planets up to ~10 Earth masses, i.e. Super-Earths. When the measurement is available, the assumption that the bulk Fe/Si ratio of a planet is similar to that of its host star allows us to significantly reduce the existing degeneracy and more","authors_text":"B. Brugger, F. Deschamps, M. Deleuil, O. Mousis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-10-26T15:57:33Z","title":"Constraints on Super-Earths Interiors from Stellar Abundances"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.09776","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:c9a0b9e28c56035c20a35e420dd58873e5c46de5268d354151264294af327001","target":"record","created_at":"2026-05-18T00:28:51Z","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":"41e7afd02c2c4b4abf6510df5736ab0656e3941aa750f61058a52dc7fa8f64b5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-10-26T15:57:33Z","title_canon_sha256":"318457dd154d388e239b9831c2b009ddf3a822b40c7c3bd0e403f15ab13fe2ec"},"schema_version":"1.0","source":{"id":"1710.09776","kind":"arxiv","version":1}},"canonical_sha256":"d0b312b9d26bfdacda4eebaab6273bac4d07af00509da103d9bdeba21ba835e9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d0b312b9d26bfdacda4eebaab6273bac4d07af00509da103d9bdeba21ba835e9","first_computed_at":"2026-05-18T00:28:51.926280Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:51.926280Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ecFfmozapAKGGgj2GHdf/z1jO1Yymv7B1uzcqCLqFPUtshkBDWtLSzbL6ysVnPaxa86MOS3FRJyfNjVdEJasDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:51.926800Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.09776","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c9a0b9e28c56035c20a35e420dd58873e5c46de5268d354151264294af327001","sha256:2dee7490731e0a40af4c22fbe909269f64e2e7bc3bdde6e19cce01db4805a98e"],"state_sha256":"1abc11836b1d4c3daccf997cb489397f09f6f6f6da8fe2c3ab28af9880bfbe89"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h62aUVFXVwLGXtaK0rSwbV1+0j9whKMzF6OjK2Gp6djomR7Z0oawHcfVvqChlQzjwNIK6rzO5JdTlAlfFnQGBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T19:54:01.997951Z","bundle_sha256":"19ffe2f5e62bc0ccc4e937846c67ccba18101331287812c9f5aedf2d2fd36b2f"}}