{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:72FRPSOZHWCGF4GCBCANKJLMIN","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":"9b72325716857ca31e62cff9abe9bbbc684a9ff7a1b36edf2db3a20c0f53e068","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-12-01T19:00:33Z","title_canon_sha256":"d34edba50b3dc99a068c6aad69598a56ba04908c041054ef178c39d38faf00c3"},"schema_version":"1.0","source":{"id":"1712.00457","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.00457","created_at":"2026-05-18T00:29:05Z"},{"alias_kind":"arxiv_version","alias_value":"1712.00457v1","created_at":"2026-05-18T00:29:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.00457","created_at":"2026-05-18T00:29:05Z"},{"alias_kind":"pith_short_12","alias_value":"72FRPSOZHWCG","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"72FRPSOZHWCGF4GC","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"72FRPSOZ","created_at":"2026-05-18T12:31:03Z"}],"graph_snapshots":[{"event_id":"sha256:bc8459c8f977e42bca03baf8fd81a50dee9c4b134ef4c42a1831188b2e36ddd3","target":"graph","created_at":"2026-05-18T00:29:05Z","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":"Surveys of young star-forming regions have discovered a growing population of planetary-mass (<13 M_Jup) companions around young stars. There is an ongoing debate as to whether these companions formed like planets (that is, from the circumstellar disk), or if they represent the low-mass tail of the star formation process. In this study we utilize high-resolution spectroscopy to measure rotation rates of three young (2-300 Myr) planetary-mass companions and combine these measurements with published rotation rates for two additional companions to provide a look at the spin distribution of these ","authors_text":"Bjorn Benneke, Brendan P. Bowler, Heather A. Knutson, Konstantin Batygin, Marta L. Bryan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-12-01T19:00:33Z","title":"Constraints on the Spin Evolution of Young Planetary-Mass Companions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.00457","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":"sha256:7d3d60fb1afabd1791c7bae11118e6bc70453d1b2948d66096078cb5f9038c8b","target":"record","created_at":"2026-05-18T00:29:05Z","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":"9b72325716857ca31e62cff9abe9bbbc684a9ff7a1b36edf2db3a20c0f53e068","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-12-01T19:00:33Z","title_canon_sha256":"d34edba50b3dc99a068c6aad69598a56ba04908c041054ef178c39d38faf00c3"},"schema_version":"1.0","source":{"id":"1712.00457","kind":"arxiv","version":1}},"canonical_sha256":"fe8b17c9d93d8462f0c20880d5256c4373db0cf1a0bd3cb1c4396ad7f7cd402a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe8b17c9d93d8462f0c20880d5256c4373db0cf1a0bd3cb1c4396ad7f7cd402a","first_computed_at":"2026-05-18T00:29:05.255740Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:05.255740Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FJpYstAmmI3mEVXpEskzM133Yuxd8X2gf6uyU+XEuoJL8OduBZ4xyOK9kmUVQoCZsWiD9+BkwQL1cAUpSHT5Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:05.256193Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.00457","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7d3d60fb1afabd1791c7bae11118e6bc70453d1b2948d66096078cb5f9038c8b","sha256:bc8459c8f977e42bca03baf8fd81a50dee9c4b134ef4c42a1831188b2e36ddd3"],"state_sha256":"a027a197f57ca3afe8c628e6ee00f9a49bc62de0a364b6f23713447d322142ef"}