{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:DCMDHMSWVL3IFPR53FZHVJKBIB","short_pith_number":"pith:DCMDHMSW","canonical_record":{"source":{"id":"1501.03101","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-01-13T18:41:01Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"1f44c424e30a125cf5905110f10c9aa1af0ba56686735066a7706652cc3c4c33","abstract_canon_sha256":"35550a255350db4311f0701327718b6419561e5cf742c6955c03a155e8d60557"},"schema_version":"1.0"},"canonical_sha256":"189833b256aaf682be3dd9727aa541404e5de01df7661a02bf0b80f36cc55b72","source":{"kind":"arxiv","id":"1501.03101","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.03101","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"arxiv_version","alias_value":"1501.03101v1","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.03101","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"pith_short_12","alias_value":"DCMDHMSWVL3I","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DCMDHMSWVL3IFPR5","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DCMDHMSW","created_at":"2026-05-18T12:29:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:DCMDHMSWVL3IFPR53FZHVJKBIB","target":"record","payload":{"canonical_record":{"source":{"id":"1501.03101","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-01-13T18:41:01Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"1f44c424e30a125cf5905110f10c9aa1af0ba56686735066a7706652cc3c4c33","abstract_canon_sha256":"35550a255350db4311f0701327718b6419561e5cf742c6955c03a155e8d60557"},"schema_version":"1.0"},"canonical_sha256":"189833b256aaf682be3dd9727aa541404e5de01df7661a02bf0b80f36cc55b72","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:11.284246Z","signature_b64":"3aQTYEV6gTqmUaq/EG/tV9rCMR/L9akvICD46sAXI6KrY9bVVCREG0V6526EYA/ya7h7/Rpe2phR+YCF/P3PDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"189833b256aaf682be3dd9727aa541404e5de01df7661a02bf0b80f36cc55b72","last_reissued_at":"2026-05-18T01:41:11.283543Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:11.283543Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.03101","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":"2026-05-18T01:41:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eyerK3A1Ij/2XvkT5dGVhsl6pKzvP4HhQcgYbE6UM85SvF0IIDWAo9eY1NbS7ikyPBUJg+vS6+7ConYiDokUDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T05:30:48.861919Z"},"content_sha256":"0592296424e05bccc9e67851f675f226d7b5cbdfb4bb58a2abd2f03921f8406f","schema_version":"1.0","event_id":"sha256:0592296424e05bccc9e67851f675f226d7b5cbdfb4bb58a2abd2f03921f8406f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:DCMDHMSWVL3IFPR53FZHVJKBIB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The formation of the solar system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"A. Johansen, C. Muenker, D. Veras, L. Testi, M. B. Davies, M. Gounelle, M. Trieloff, P. Lacerda, S. Pfalzner, S. Portegies Zwart","submitted_at":"2015-01-13T18:41:01Z","abstract_excerpt":"The solar system started to form about 4.56 Gyr ago and despite the long intervening time span, there still exist several clues about its formation. The three major sources for this information are meteorites, the present solar system structure and the planet-forming systems around young stars. In this introduction we give an overview of the current understanding of the solar system formation from all these different research fields. This includes the question of the lifetime of the solar protoplanetary disc, the different stages of planet formation, their duration, and their relative importan"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.03101","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":"2026-05-18T01:41:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uU6ac8BWamNaznNPvqXrEgcpniEkQirLbGyuaxmhT0w5/bsd7oGNDyYs+9JjoUHOgeb22fdw/mbZz8/vTOTUBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T05:30:48.862651Z"},"content_sha256":"9b2d51ebdf9f1cf94cd2e885dd78dd22178427627faaf03a68cc3a49a2430603","schema_version":"1.0","event_id":"sha256:9b2d51ebdf9f1cf94cd2e885dd78dd22178427627faaf03a68cc3a49a2430603"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DCMDHMSWVL3IFPR53FZHVJKBIB/bundle.json","state_url":"https://pith.science/pith/DCMDHMSWVL3IFPR53FZHVJKBIB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DCMDHMSWVL3IFPR53FZHVJKBIB/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":"2026-05-20T05:30:48Z","links":{"resolver":"https://pith.science/pith/DCMDHMSWVL3IFPR53FZHVJKBIB","bundle":"https://pith.science/pith/DCMDHMSWVL3IFPR53FZHVJKBIB/bundle.json","state":"https://pith.science/pith/DCMDHMSWVL3IFPR53FZHVJKBIB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DCMDHMSWVL3IFPR53FZHVJKBIB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:DCMDHMSWVL3IFPR53FZHVJKBIB","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":"35550a255350db4311f0701327718b6419561e5cf742c6955c03a155e8d60557","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-01-13T18:41:01Z","title_canon_sha256":"1f44c424e30a125cf5905110f10c9aa1af0ba56686735066a7706652cc3c4c33"},"schema_version":"1.0","source":{"id":"1501.03101","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.03101","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"arxiv_version","alias_value":"1501.03101v1","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.03101","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"pith_short_12","alias_value":"DCMDHMSWVL3I","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DCMDHMSWVL3IFPR5","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DCMDHMSW","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:9b2d51ebdf9f1cf94cd2e885dd78dd22178427627faaf03a68cc3a49a2430603","target":"graph","created_at":"2026-05-18T01:41:11Z","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 solar system started to form about 4.56 Gyr ago and despite the long intervening time span, there still exist several clues about its formation. The three major sources for this information are meteorites, the present solar system structure and the planet-forming systems around young stars. In this introduction we give an overview of the current understanding of the solar system formation from all these different research fields. This includes the question of the lifetime of the solar protoplanetary disc, the different stages of planet formation, their duration, and their relative importan","authors_text":"A. Johansen, C. Muenker, D. Veras, L. Testi, M. B. Davies, M. Gounelle, M. Trieloff, P. Lacerda, S. Pfalzner, S. Portegies Zwart","cross_cats":["astro-ph.GA","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-01-13T18:41:01Z","title":"The formation of the solar system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.03101","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":"sha256:0592296424e05bccc9e67851f675f226d7b5cbdfb4bb58a2abd2f03921f8406f","target":"record","created_at":"2026-05-18T01:41:11Z","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":"35550a255350db4311f0701327718b6419561e5cf742c6955c03a155e8d60557","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-01-13T18:41:01Z","title_canon_sha256":"1f44c424e30a125cf5905110f10c9aa1af0ba56686735066a7706652cc3c4c33"},"schema_version":"1.0","source":{"id":"1501.03101","kind":"arxiv","version":1}},"canonical_sha256":"189833b256aaf682be3dd9727aa541404e5de01df7661a02bf0b80f36cc55b72","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"189833b256aaf682be3dd9727aa541404e5de01df7661a02bf0b80f36cc55b72","first_computed_at":"2026-05-18T01:41:11.283543Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:11.283543Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3aQTYEV6gTqmUaq/EG/tV9rCMR/L9akvICD46sAXI6KrY9bVVCREG0V6526EYA/ya7h7/Rpe2phR+YCF/P3PDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:11.284246Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.03101","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0592296424e05bccc9e67851f675f226d7b5cbdfb4bb58a2abd2f03921f8406f","sha256:9b2d51ebdf9f1cf94cd2e885dd78dd22178427627faaf03a68cc3a49a2430603"],"state_sha256":"c8cf0e268d71c0d26ec1142df451fe8e6fa9f685806c26de151d9d232b79e956"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sK5qGhe7kbfAfzfuSjB592dGGg4h1ud/egBdwsFvS9CHJ6Yj5T98l8/ozKxr0051GLJ3PabXpRVFeo4c2DOGAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T05:30:48.866106Z","bundle_sha256":"9c9b3fef3059840c22241c84c2c2cc55b6cc89963d222c3996738d44648f55c6"}}