{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:X6WPJ6JKDTVD2IO4JXLHTMT3M3","short_pith_number":"pith:X6WPJ6JK","canonical_record":{"source":{"id":"2104.07790","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-04-15T21:50:50Z","cross_cats_sorted":[],"title_canon_sha256":"cc1bb5c90a7678ad5c7f3bd61b9699ed239676ea6b8150e1a85a6eb6e0d02882","abstract_canon_sha256":"6b1bc958658518ac5d6ba5a3d6809b9e23a12190dbf8867acf18bec9bae64a3e"},"schema_version":"1.0"},"canonical_sha256":"bfacf4f92a1cea3d21dc4dd679b27b66dd57a57d70361b482b4fa357a10c7321","source":{"kind":"arxiv","id":"2104.07790","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.07790","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"arxiv_version","alias_value":"2104.07790v1","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.07790","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"pith_short_12","alias_value":"X6WPJ6JKDTVD","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"pith_short_16","alias_value":"X6WPJ6JKDTVD2IO4","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"pith_short_8","alias_value":"X6WPJ6JK","created_at":"2026-07-05T02:53:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:X6WPJ6JKDTVD2IO4JXLHTMT3M3","target":"record","payload":{"canonical_record":{"source":{"id":"2104.07790","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-04-15T21:50:50Z","cross_cats_sorted":[],"title_canon_sha256":"cc1bb5c90a7678ad5c7f3bd61b9699ed239676ea6b8150e1a85a6eb6e0d02882","abstract_canon_sha256":"6b1bc958658518ac5d6ba5a3d6809b9e23a12190dbf8867acf18bec9bae64a3e"},"schema_version":"1.0"},"canonical_sha256":"bfacf4f92a1cea3d21dc4dd679b27b66dd57a57d70361b482b4fa357a10c7321","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:53:41.493386Z","signature_b64":"gh4vivLt3p80nRipj0DsNMYvTKAEh40mp8b/VagDdmj0Bfzp3R7ril7UARmBtUMOiyUCl0vbCt9TxhvND/+dAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bfacf4f92a1cea3d21dc4dd679b27b66dd57a57d70361b482b4fa357a10c7321","last_reissued_at":"2026-07-05T02:53:41.492807Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:53:41.492807Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2104.07790","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":"2026-07-05T02:53:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6xwTCI3Ih/hBW44Jw2q0IvBb8mVsMHp2P1TUKM8SolbdDadAGn5XEKGrvSWjP9f7Hs/BgaqOaZ/NnClsvxy4Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T01:34:32.770315Z"},"content_sha256":"dad2741d28c3dd0db82ec5d581a854e3fe984a3aed896b8da870b67f88f38d92","schema_version":"1.0","event_id":"sha256:dad2741d28c3dd0db82ec5d581a854e3fe984a3aed896b8da870b67f88f38d92"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:X6WPJ6JKDTVD2IO4JXLHTMT3M3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Primary Velocity and Orbital Phase Effects on Planetary Detectability from Small Epoch Number Data Sets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Bj\\\"orn Benneke, Cam Buzard, Danielle Piskorz, Geoffrey Blake, Stefan Pelletier","submitted_at":"2021-04-15T21:50:50Z","abstract_excerpt":"Cross correlation analyses of high resolution spectroscopic data have recently shown great success in directly detecting planetary signals and enabling the characterization of their atmospheres. One such technique aims to observe a system at multiple epochs and combine the measured planetary radial velocities from each epoch into a measurement of the planetary Keplerian orbital velocity $K_p$, constituting a direct detection of the planetary signal. Recent work has shown that in few-epoch ($\\sim$5) data sets, unintended structure can arise at a high level, obscuring the planetary detection. In"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.07790","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2104.07790/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:53:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HMUjJdd/uILIZxq9nsujAQMI48jgnzfQHJlnvIz2h8lUd/dXmrhlm4FsiF4aKHdBOczZgWCZ98M/i37prvn4Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T01:34:32.770820Z"},"content_sha256":"3f2e52b7a8a38a0b6d6ace5e513313f8989c5f5e5788522119e807007d9efb62","schema_version":"1.0","event_id":"sha256:3f2e52b7a8a38a0b6d6ace5e513313f8989c5f5e5788522119e807007d9efb62"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X6WPJ6JKDTVD2IO4JXLHTMT3M3/bundle.json","state_url":"https://pith.science/pith/X6WPJ6JKDTVD2IO4JXLHTMT3M3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X6WPJ6JKDTVD2IO4JXLHTMT3M3/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":"2026-08-08T01:34:32Z","links":{"resolver":"https://pith.science/pith/X6WPJ6JKDTVD2IO4JXLHTMT3M3","bundle":"https://pith.science/pith/X6WPJ6JKDTVD2IO4JXLHTMT3M3/bundle.json","state":"https://pith.science/pith/X6WPJ6JKDTVD2IO4JXLHTMT3M3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X6WPJ6JKDTVD2IO4JXLHTMT3M3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:X6WPJ6JKDTVD2IO4JXLHTMT3M3","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":"6b1bc958658518ac5d6ba5a3d6809b9e23a12190dbf8867acf18bec9bae64a3e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-04-15T21:50:50Z","title_canon_sha256":"cc1bb5c90a7678ad5c7f3bd61b9699ed239676ea6b8150e1a85a6eb6e0d02882"},"schema_version":"1.0","source":{"id":"2104.07790","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.07790","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"arxiv_version","alias_value":"2104.07790v1","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.07790","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"pith_short_12","alias_value":"X6WPJ6JKDTVD","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"pith_short_16","alias_value":"X6WPJ6JKDTVD2IO4","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"pith_short_8","alias_value":"X6WPJ6JK","created_at":"2026-07-05T02:53:41Z"}],"graph_snapshots":[{"event_id":"sha256:3f2e52b7a8a38a0b6d6ace5e513313f8989c5f5e5788522119e807007d9efb62","target":"graph","created_at":"2026-07-05T02:53:41Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2104.07790/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Cross correlation analyses of high resolution spectroscopic data have recently shown great success in directly detecting planetary signals and enabling the characterization of their atmospheres. One such technique aims to observe a system at multiple epochs and combine the measured planetary radial velocities from each epoch into a measurement of the planetary Keplerian orbital velocity $K_p$, constituting a direct detection of the planetary signal. Recent work has shown that in few-epoch ($\\sim$5) data sets, unintended structure can arise at a high level, obscuring the planetary detection. In","authors_text":"Bj\\\"orn Benneke, Cam Buzard, Danielle Piskorz, Geoffrey Blake, Stefan Pelletier","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-04-15T21:50:50Z","title":"Primary Velocity and Orbital Phase Effects on Planetary Detectability from Small Epoch Number Data Sets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.07790","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:dad2741d28c3dd0db82ec5d581a854e3fe984a3aed896b8da870b67f88f38d92","target":"record","created_at":"2026-07-05T02:53:41Z","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":"6b1bc958658518ac5d6ba5a3d6809b9e23a12190dbf8867acf18bec9bae64a3e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-04-15T21:50:50Z","title_canon_sha256":"cc1bb5c90a7678ad5c7f3bd61b9699ed239676ea6b8150e1a85a6eb6e0d02882"},"schema_version":"1.0","source":{"id":"2104.07790","kind":"arxiv","version":1}},"canonical_sha256":"bfacf4f92a1cea3d21dc4dd679b27b66dd57a57d70361b482b4fa357a10c7321","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bfacf4f92a1cea3d21dc4dd679b27b66dd57a57d70361b482b4fa357a10c7321","first_computed_at":"2026-07-05T02:53:41.492807Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:53:41.492807Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gh4vivLt3p80nRipj0DsNMYvTKAEh40mp8b/VagDdmj0Bfzp3R7ril7UARmBtUMOiyUCl0vbCt9TxhvND/+dAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:53:41.493386Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.07790","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dad2741d28c3dd0db82ec5d581a854e3fe984a3aed896b8da870b67f88f38d92","sha256:3f2e52b7a8a38a0b6d6ace5e513313f8989c5f5e5788522119e807007d9efb62"],"state_sha256":"5fbb25da3de677fd901dc280d8101583cff589cbf31870935d6e612a5f1166ca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V3cbA6/tVig9PICzSlXU970ddFbki0BI9p9kH+1gLSsi1HVTDL5mezgMd7OHT3CqpWC0v5hbhTDZizVw9JH2CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T01:34:32.774311Z","bundle_sha256":"1cdc788abedd0d9d9ff2febbeec354e1c210cd078afba544da2d9e4c5756d9c4"}}