{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:JM76YWEF4EGNC6YK6MDJ5DKPYF","short_pith_number":"pith:JM76YWEF","canonical_record":{"source":{"id":"1604.03135","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-04-11T20:17:25Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"965e43e7fed2843ee83d14bd01c0a778e312e49eb6d2ff255be46d8a3564a14d","abstract_canon_sha256":"3ae18865fe5e465806fc871e14ea5099f0cbfcc50c0c66044f6abc4b22c7a9ce"},"schema_version":"1.0"},"canonical_sha256":"4b3fec5885e10cd17b0af3069e8d4fc1584a6d5d86442b9f9432796ea617d0ee","source":{"kind":"arxiv","id":"1604.03135","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.03135","created_at":"2026-05-18T01:16:12Z"},{"alias_kind":"arxiv_version","alias_value":"1604.03135v1","created_at":"2026-05-18T01:16:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.03135","created_at":"2026-05-18T01:16:12Z"},{"alias_kind":"pith_short_12","alias_value":"JM76YWEF4EGN","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"JM76YWEF4EGNC6YK","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"JM76YWEF","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:JM76YWEF4EGNC6YK6MDJ5DKPYF","target":"record","payload":{"canonical_record":{"source":{"id":"1604.03135","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-04-11T20:17:25Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"965e43e7fed2843ee83d14bd01c0a778e312e49eb6d2ff255be46d8a3564a14d","abstract_canon_sha256":"3ae18865fe5e465806fc871e14ea5099f0cbfcc50c0c66044f6abc4b22c7a9ce"},"schema_version":"1.0"},"canonical_sha256":"4b3fec5885e10cd17b0af3069e8d4fc1584a6d5d86442b9f9432796ea617d0ee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:12.885385Z","signature_b64":"Y2WI8mXi5rzlG+WQAEtXE3J0H+0aFPnUSxM4hRUP59Z/sI1eslcEdhnL/vsnhxtpYP09Uf0WvGQzEPpfosr5Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4b3fec5885e10cd17b0af3069e8d4fc1584a6d5d86442b9f9432796ea617d0ee","last_reissued_at":"2026-05-18T01:16:12.884856Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:12.884856Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.03135","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":"2026-05-18T01:16:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mwA/uWink2B7M3gssF5H0dNnRYfKD16zkHkxgmHq5JaBNfmcY69n6M0I8XzVJcvDF6ppnxFwtu79rN+UmZfgCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T00:37:35.783404Z"},"content_sha256":"0e9a48d3ba2495678049160d9efe85539c8312a16aa0b51ed0b331b2f10092f9","schema_version":"1.0","event_id":"sha256:0e9a48d3ba2495678049160d9efe85539c8312a16aa0b51ed0b331b2f10092f9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:JM76YWEF4EGNC6YK6MDJ5DKPYF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Impact of Stellar Rotation on the Detectability of Habitable Planets Around M Dwarfs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"David Charbonneau, Elisabeth R. Newton, Jason A. Dittmann, Jonathan Irwin, Zachory K. Berta-Thompson","submitted_at":"2016-04-11T20:17:25Z","abstract_excerpt":"Stellar activity and rotation frustrate the detection of exoplanets through the radial velocity technique. This effect is particularly of concern for M dwarfs, which can remain magnetically active for billions of years. We compile rotation periods for late-type stars and for the M dwarf planet-host sample in order to investigate the rotation periods of older field stars across the main sequence. We show that for stars with masses between 0.25 and 0.5 solar masses (M4V to M1V), the stellar rotation period typical of field stars coincides with the orbital periods of planets in the habitable zone"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.03135","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":"2026-05-18T01:16:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3gbcDqaGlZBiy+9tO1e+Qh5wf/iOMIeCr21sqkEV5fftzRhiEDlp7qdeTdXJX+s2Dz63XvB8TaOZq/HJx2CmDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T00:37:35.783748Z"},"content_sha256":"c6bcfe6d5114125199e21a7ac4f7df1a1564f234732d036055502ff29c7e25ca","schema_version":"1.0","event_id":"sha256:c6bcfe6d5114125199e21a7ac4f7df1a1564f234732d036055502ff29c7e25ca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JM76YWEF4EGNC6YK6MDJ5DKPYF/bundle.json","state_url":"https://pith.science/pith/JM76YWEF4EGNC6YK6MDJ5DKPYF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JM76YWEF4EGNC6YK6MDJ5DKPYF/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":"2026-06-03T00:37:35Z","links":{"resolver":"https://pith.science/pith/JM76YWEF4EGNC6YK6MDJ5DKPYF","bundle":"https://pith.science/pith/JM76YWEF4EGNC6YK6MDJ5DKPYF/bundle.json","state":"https://pith.science/pith/JM76YWEF4EGNC6YK6MDJ5DKPYF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JM76YWEF4EGNC6YK6MDJ5DKPYF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:JM76YWEF4EGNC6YK6MDJ5DKPYF","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":"3ae18865fe5e465806fc871e14ea5099f0cbfcc50c0c66044f6abc4b22c7a9ce","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-04-11T20:17:25Z","title_canon_sha256":"965e43e7fed2843ee83d14bd01c0a778e312e49eb6d2ff255be46d8a3564a14d"},"schema_version":"1.0","source":{"id":"1604.03135","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.03135","created_at":"2026-05-18T01:16:12Z"},{"alias_kind":"arxiv_version","alias_value":"1604.03135v1","created_at":"2026-05-18T01:16:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.03135","created_at":"2026-05-18T01:16:12Z"},{"alias_kind":"pith_short_12","alias_value":"JM76YWEF4EGN","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"JM76YWEF4EGNC6YK","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"JM76YWEF","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:c6bcfe6d5114125199e21a7ac4f7df1a1564f234732d036055502ff29c7e25ca","target":"graph","created_at":"2026-05-18T01:16:12Z","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":"Stellar activity and rotation frustrate the detection of exoplanets through the radial velocity technique. This effect is particularly of concern for M dwarfs, which can remain magnetically active for billions of years. We compile rotation periods for late-type stars and for the M dwarf planet-host sample in order to investigate the rotation periods of older field stars across the main sequence. We show that for stars with masses between 0.25 and 0.5 solar masses (M4V to M1V), the stellar rotation period typical of field stars coincides with the orbital periods of planets in the habitable zone","authors_text":"David Charbonneau, Elisabeth R. Newton, Jason A. Dittmann, Jonathan Irwin, Zachory K. Berta-Thompson","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-04-11T20:17:25Z","title":"The Impact of Stellar Rotation on the Detectability of Habitable Planets Around M Dwarfs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.03135","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":"sha256:0e9a48d3ba2495678049160d9efe85539c8312a16aa0b51ed0b331b2f10092f9","target":"record","created_at":"2026-05-18T01:16:12Z","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":"3ae18865fe5e465806fc871e14ea5099f0cbfcc50c0c66044f6abc4b22c7a9ce","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-04-11T20:17:25Z","title_canon_sha256":"965e43e7fed2843ee83d14bd01c0a778e312e49eb6d2ff255be46d8a3564a14d"},"schema_version":"1.0","source":{"id":"1604.03135","kind":"arxiv","version":1}},"canonical_sha256":"4b3fec5885e10cd17b0af3069e8d4fc1584a6d5d86442b9f9432796ea617d0ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4b3fec5885e10cd17b0af3069e8d4fc1584a6d5d86442b9f9432796ea617d0ee","first_computed_at":"2026-05-18T01:16:12.884856Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:12.884856Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y2WI8mXi5rzlG+WQAEtXE3J0H+0aFPnUSxM4hRUP59Z/sI1eslcEdhnL/vsnhxtpYP09Uf0WvGQzEPpfosr5Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:12.885385Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.03135","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0e9a48d3ba2495678049160d9efe85539c8312a16aa0b51ed0b331b2f10092f9","sha256:c6bcfe6d5114125199e21a7ac4f7df1a1564f234732d036055502ff29c7e25ca"],"state_sha256":"258ebd37121f9c628c70653e450f8d154c1d76f77bfbbf799a13d873df2cdea1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M2eqTSRwNw2vaXueJKPvFbzLBPLvf/Dpd8S221HFeQnZ65sPARI/15XdMIn1I/hfe44al8vR3L2kDXIGnhHHAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T00:37:35.785790Z","bundle_sha256":"e59aa2e8132871876c0aaa093d2210b9e377473ec51d022c9f7c3d61ec75aa0e"}}