{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:E6SFIL6A4B7T45GM7SH7WHLZDO","short_pith_number":"pith:E6SFIL6A","canonical_record":{"source":{"id":"1103.2535","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-03-13T17:50:24Z","cross_cats_sorted":[],"title_canon_sha256":"993f3ed2f945194ce36c7c67942c3cc6a308f18a1f2fc138cbe8b653a37d6a49","abstract_canon_sha256":"e94b37c04d67c72c3dcc18d7d7f6c8068dc0dfc1c274ce753797bfe1b321820b"},"schema_version":"1.0"},"canonical_sha256":"27a4542fc0e07f3e74ccfc8ffb1d791baaa36a107cfc62773aba2839e7cae04f","source":{"kind":"arxiv","id":"1103.2535","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.2535","created_at":"2026-05-18T02:02:54Z"},{"alias_kind":"arxiv_version","alias_value":"1103.2535v1","created_at":"2026-05-18T02:02:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.2535","created_at":"2026-05-18T02:02:54Z"},{"alias_kind":"pith_short_12","alias_value":"E6SFIL6A4B7T","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"E6SFIL6A4B7T45GM","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"E6SFIL6A","created_at":"2026-05-18T12:26:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:E6SFIL6A4B7T45GM7SH7WHLZDO","target":"record","payload":{"canonical_record":{"source":{"id":"1103.2535","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-03-13T17:50:24Z","cross_cats_sorted":[],"title_canon_sha256":"993f3ed2f945194ce36c7c67942c3cc6a308f18a1f2fc138cbe8b653a37d6a49","abstract_canon_sha256":"e94b37c04d67c72c3dcc18d7d7f6c8068dc0dfc1c274ce753797bfe1b321820b"},"schema_version":"1.0"},"canonical_sha256":"27a4542fc0e07f3e74ccfc8ffb1d791baaa36a107cfc62773aba2839e7cae04f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:54.128341Z","signature_b64":"pyUlHXgOrOW9sD6o1dBjd+nPC9qZWj3LSBgUjxAOIvVxxwy6uHJX19wPm01CDE2tulRjExTuttvcKJr0AAbrCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"27a4542fc0e07f3e74ccfc8ffb1d791baaa36a107cfc62773aba2839e7cae04f","last_reissued_at":"2026-05-18T02:02:54.127634Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:54.127634Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.2535","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":"2026-05-18T02:02:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m9d0g1dJpCE1/TPj7JbFLOSoUyIxwaFnNrpuJ6JS5ryssCPt9NnyY+kPBK6snplxRZC+tULsJLGxjxW7rNfLCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:15:18.865126Z"},"content_sha256":"fe28f92a7f3e67648bfed9ff3a5f664daa211b969bfbfe4618fcf9e2bd9c3f94","schema_version":"1.0","event_id":"sha256:fe28f92a7f3e67648bfed9ff3a5f664daa211b969bfbfe4618fcf9e2bd9c3f94"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:E6SFIL6A4B7T45GM7SH7WHLZDO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A New Concept for Direct Imaging and Spectral Characterization of Exoplanets in Multi-planet Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Makoto Hattori, Motohide Tamura, Taro Matsuo, Wesley A. Traub","submitted_at":"2011-03-13T17:50:24Z","abstract_excerpt":"We present a novel method for direct detection and characterization of exoplanets from space. This method uses four collecting telescopes, combined with phase chopping and a spectrometer, with observations on only a few baselines rather than on a continuously rotated baseline. Focusing on the contiguous wavelength spectra of typical exoplanets, the (u, v) plane can be simultaneously and uniformly filled by recording the spectrally resolved signal. This concept allows us to perfectly remove speckles from reconstructed images. For a target comprising a star and multiple planets, observations on "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.2535","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":"2026-05-18T02:02:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BqXIFozWZ2k4iO/EAFjXtZkcR2wd94NOx79STzszyZtfseMpo/kz2zQ45/OROvJ4W3PYJtYFGMXGmcchIuIdCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:15:18.865803Z"},"content_sha256":"5ed6b5dfe09574af6d8048947ed270f783c0eeec4e13fe9c3dbb0e336206c015","schema_version":"1.0","event_id":"sha256:5ed6b5dfe09574af6d8048947ed270f783c0eeec4e13fe9c3dbb0e336206c015"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E6SFIL6A4B7T45GM7SH7WHLZDO/bundle.json","state_url":"https://pith.science/pith/E6SFIL6A4B7T45GM7SH7WHLZDO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E6SFIL6A4B7T45GM7SH7WHLZDO/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":"2026-05-27T08:15:18Z","links":{"resolver":"https://pith.science/pith/E6SFIL6A4B7T45GM7SH7WHLZDO","bundle":"https://pith.science/pith/E6SFIL6A4B7T45GM7SH7WHLZDO/bundle.json","state":"https://pith.science/pith/E6SFIL6A4B7T45GM7SH7WHLZDO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E6SFIL6A4B7T45GM7SH7WHLZDO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:E6SFIL6A4B7T45GM7SH7WHLZDO","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":"e94b37c04d67c72c3dcc18d7d7f6c8068dc0dfc1c274ce753797bfe1b321820b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-03-13T17:50:24Z","title_canon_sha256":"993f3ed2f945194ce36c7c67942c3cc6a308f18a1f2fc138cbe8b653a37d6a49"},"schema_version":"1.0","source":{"id":"1103.2535","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.2535","created_at":"2026-05-18T02:02:54Z"},{"alias_kind":"arxiv_version","alias_value":"1103.2535v1","created_at":"2026-05-18T02:02:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.2535","created_at":"2026-05-18T02:02:54Z"},{"alias_kind":"pith_short_12","alias_value":"E6SFIL6A4B7T","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"E6SFIL6A4B7T45GM","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"E6SFIL6A","created_at":"2026-05-18T12:26:26Z"}],"graph_snapshots":[{"event_id":"sha256:5ed6b5dfe09574af6d8048947ed270f783c0eeec4e13fe9c3dbb0e336206c015","target":"graph","created_at":"2026-05-18T02:02:54Z","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":"We present a novel method for direct detection and characterization of exoplanets from space. This method uses four collecting telescopes, combined with phase chopping and a spectrometer, with observations on only a few baselines rather than on a continuously rotated baseline. Focusing on the contiguous wavelength spectra of typical exoplanets, the (u, v) plane can be simultaneously and uniformly filled by recording the spectrally resolved signal. This concept allows us to perfectly remove speckles from reconstructed images. For a target comprising a star and multiple planets, observations on ","authors_text":"Makoto Hattori, Motohide Tamura, Taro Matsuo, Wesley A. Traub","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-03-13T17:50:24Z","title":"A New Concept for Direct Imaging and Spectral Characterization of Exoplanets in Multi-planet Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.2535","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:fe28f92a7f3e67648bfed9ff3a5f664daa211b969bfbfe4618fcf9e2bd9c3f94","target":"record","created_at":"2026-05-18T02:02:54Z","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":"e94b37c04d67c72c3dcc18d7d7f6c8068dc0dfc1c274ce753797bfe1b321820b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-03-13T17:50:24Z","title_canon_sha256":"993f3ed2f945194ce36c7c67942c3cc6a308f18a1f2fc138cbe8b653a37d6a49"},"schema_version":"1.0","source":{"id":"1103.2535","kind":"arxiv","version":1}},"canonical_sha256":"27a4542fc0e07f3e74ccfc8ffb1d791baaa36a107cfc62773aba2839e7cae04f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"27a4542fc0e07f3e74ccfc8ffb1d791baaa36a107cfc62773aba2839e7cae04f","first_computed_at":"2026-05-18T02:02:54.127634Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:54.127634Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pyUlHXgOrOW9sD6o1dBjd+nPC9qZWj3LSBgUjxAOIvVxxwy6uHJX19wPm01CDE2tulRjExTuttvcKJr0AAbrCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:54.128341Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.2535","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fe28f92a7f3e67648bfed9ff3a5f664daa211b969bfbfe4618fcf9e2bd9c3f94","sha256:5ed6b5dfe09574af6d8048947ed270f783c0eeec4e13fe9c3dbb0e336206c015"],"state_sha256":"259c5d8be21fb7528d0934d1e093f73b7a4859a6876eb8933ee747bc5194af4f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PvvWC2zI4km8QZD7oHc9wM4jSG7BJPRJZFtOaPzsWNpzECc0PinT+VM1wp3vdX/eWwwhjyVsUN5xRyLC3ndYCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T08:15:18.870535Z","bundle_sha256":"ca20b00ca618966e173d0395ac0fed53d5b987d82a4cfa47e1b1bdc1e22bd8fc"}}