{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:MTJGJM4C2R6RAFFZFYIUQJQIMZ","short_pith_number":"pith:MTJGJM4C","canonical_record":{"source":{"id":"0811.2496","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-15T14:53:09Z","cross_cats_sorted":[],"title_canon_sha256":"5376426bc5e7c1d57bb8d33fc8828d1d4bf962facd18060105ea1fd574747f6e","abstract_canon_sha256":"0cf593d64bad27a3c6789d7d89b10c7950f221085f4d4ec5e905f1699267b258"},"schema_version":"1.0"},"canonical_sha256":"64d264b382d47d1014b92e11482608667e145b9c46e0eedcea8d99e9345f21f4","source":{"kind":"arxiv","id":"0811.2496","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.2496","created_at":"2026-07-04T15:38:10Z"},{"alias_kind":"arxiv_version","alias_value":"0811.2496v3","created_at":"2026-07-04T15:38:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.2496","created_at":"2026-07-04T15:38:10Z"},{"alias_kind":"pith_short_12","alias_value":"MTJGJM4C2R6R","created_at":"2026-07-04T15:38:10Z"},{"alias_kind":"pith_short_16","alias_value":"MTJGJM4C2R6RAFFZ","created_at":"2026-07-04T15:38:10Z"},{"alias_kind":"pith_short_8","alias_value":"MTJGJM4C","created_at":"2026-07-04T15:38:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:MTJGJM4C2R6RAFFZFYIUQJQIMZ","target":"record","payload":{"canonical_record":{"source":{"id":"0811.2496","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-15T14:53:09Z","cross_cats_sorted":[],"title_canon_sha256":"5376426bc5e7c1d57bb8d33fc8828d1d4bf962facd18060105ea1fd574747f6e","abstract_canon_sha256":"0cf593d64bad27a3c6789d7d89b10c7950f221085f4d4ec5e905f1699267b258"},"schema_version":"1.0"},"canonical_sha256":"64d264b382d47d1014b92e11482608667e145b9c46e0eedcea8d99e9345f21f4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:38:10.017922Z","signature_b64":"lyWTV99CfgWZR37KRvV5n016FnqMnNGixe1NN0P3nBQgvCYoSHK0OPFpo5P3Q18uAsTb+xt/dMEdXChogGxdDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64d264b382d47d1014b92e11482608667e145b9c46e0eedcea8d99e9345f21f4","last_reissued_at":"2026-07-04T15:38:10.017537Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:38:10.017537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0811.2496","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:38:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gfpadUATzzuhEE0RtszYXNk6ClGAY81LoUaxjzd9AOgnUILVzK9l7h+sat3S9BE24t+kZhQ0eCCPixaKOMVuDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-22T01:44:52.880668Z"},"content_sha256":"bd2d6a60350c4b569b3f5b5bb861407f9b7c70d4488148a6e6fa2bdfc1555716","schema_version":"1.0","event_id":"sha256:bd2d6a60350c4b569b3f5b5bb861407f9b7c70d4488148a6e6fa2bdfc1555716"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:MTJGJM4C2R6RAFFZFYIUQJQIMZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Diversity among other worlds: characterization of exoplanets by direct detection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Aylward (UCL), A. Boccaletti (LESIA), A. Longmore (ROE), A. Sozzetti (INAF-OATo), B. Lopez (OCA), B. Merin (ESAC), Ch. Keller (U. Utrecht), Ch. Sotin (JPL/U. Nantes), C. Verinaud (LAOG), D. Mawet (JPL/ULg), D. Pinfield (U. HertfordS.), D. Stam (SRON), D. Walker (UCL/Zeeko Ltd), E. Martin (IAC), E. Palle (IAC), E. Sein (Astrium), F. Menard (LAOG), F. Tamburini (U. Padova), G. Perrin (LESIA), G. Tinetti (UCL), J. Cho (QMUL), J. Hough (U. HertfordS.), J.-L. Beuzit (LAOG), J.-M. Griessmeier (ASTRON), J. Schneider (LUTH), J. Surdej (ULg), K. Dohlen (LAM), L. Grenfell (Tech. U. Berlin), M. Ferrari (LAM), M. Kasper (ESO), O. Grasset (U. Nantes), O. Guyon (Subaru), P. Baudoz (LESIA), P. Shore (U. Cranfield), R. Brown (STScI), R. Galicher (LESIA), S. Udry (Obs. Geneve)","submitted_at":"2008-11-15T14:53:09Z","abstract_excerpt":"The physical characterization of exoplanets will require to take spectra at several orbital positions. For that purpose, a direct imaging capability is necessary. Direct imaging requires an efficient stellar suppression mechanism, associated with an ultrasmooth telescope. We show that before future large space missions (interferometer, 4-8 m class coronograph, external occulter or Fresnel imager), direct imaging of giant planets and close-by super-Earth are at the cross-road of a high scientific interest and a reasonable feasibility. The scientific interest lies in the fact that super-Earths s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.2496","kind":"arxiv","version":3},"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/0811.2496/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":"2026-07-04T15:38:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fhdjmnt5VG/610liYWvgJI1M9luBaUV1FwnpMGdNHymMyiMPETsSGylMWqOhHEw0zKquLYrK+Px3KZRfiS9MBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-22T01:44:52.881079Z"},"content_sha256":"ea1c61d674766f2cfd142a3ba2947d9be2617066997a90a694bfe3bab4fef289","schema_version":"1.0","event_id":"sha256:ea1c61d674766f2cfd142a3ba2947d9be2617066997a90a694bfe3bab4fef289"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MTJGJM4C2R6RAFFZFYIUQJQIMZ/bundle.json","state_url":"https://pith.science/pith/MTJGJM4C2R6RAFFZFYIUQJQIMZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MTJGJM4C2R6RAFFZFYIUQJQIMZ/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":"2026-07-22T01:44:52Z","links":{"resolver":"https://pith.science/pith/MTJGJM4C2R6RAFFZFYIUQJQIMZ","bundle":"https://pith.science/pith/MTJGJM4C2R6RAFFZFYIUQJQIMZ/bundle.json","state":"https://pith.science/pith/MTJGJM4C2R6RAFFZFYIUQJQIMZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MTJGJM4C2R6RAFFZFYIUQJQIMZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:MTJGJM4C2R6RAFFZFYIUQJQIMZ","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":"0cf593d64bad27a3c6789d7d89b10c7950f221085f4d4ec5e905f1699267b258","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-15T14:53:09Z","title_canon_sha256":"5376426bc5e7c1d57bb8d33fc8828d1d4bf962facd18060105ea1fd574747f6e"},"schema_version":"1.0","source":{"id":"0811.2496","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.2496","created_at":"2026-07-04T15:38:10Z"},{"alias_kind":"arxiv_version","alias_value":"0811.2496v3","created_at":"2026-07-04T15:38:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.2496","created_at":"2026-07-04T15:38:10Z"},{"alias_kind":"pith_short_12","alias_value":"MTJGJM4C2R6R","created_at":"2026-07-04T15:38:10Z"},{"alias_kind":"pith_short_16","alias_value":"MTJGJM4C2R6RAFFZ","created_at":"2026-07-04T15:38:10Z"},{"alias_kind":"pith_short_8","alias_value":"MTJGJM4C","created_at":"2026-07-04T15:38:10Z"}],"graph_snapshots":[{"event_id":"sha256:ea1c61d674766f2cfd142a3ba2947d9be2617066997a90a694bfe3bab4fef289","target":"graph","created_at":"2026-07-04T15:38:10Z","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/0811.2496/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The physical characterization of exoplanets will require to take spectra at several orbital positions. For that purpose, a direct imaging capability is necessary. Direct imaging requires an efficient stellar suppression mechanism, associated with an ultrasmooth telescope. We show that before future large space missions (interferometer, 4-8 m class coronograph, external occulter or Fresnel imager), direct imaging of giant planets and close-by super-Earth are at the cross-road of a high scientific interest and a reasonable feasibility. The scientific interest lies in the fact that super-Earths s","authors_text":"A. Aylward (UCL), A. Boccaletti (LESIA), A. Longmore (ROE), A. Sozzetti (INAF-OATo), B. Lopez (OCA), B. Merin (ESAC), Ch. Keller (U. Utrecht), Ch. Sotin (JPL/U. Nantes), C. Verinaud (LAOG), D. Mawet (JPL/ULg), D. Pinfield (U. HertfordS.), D. Stam (SRON), D. Walker (UCL/Zeeko Ltd), E. Martin (IAC), E. Palle (IAC), E. Sein (Astrium), F. Menard (LAOG), F. Tamburini (U. Padova), G. Perrin (LESIA), G. Tinetti (UCL), J. Cho (QMUL), J. Hough (U. HertfordS.), J.-L. Beuzit (LAOG), J.-M. Griessmeier (ASTRON), J. Schneider (LUTH), J. Surdej (ULg), K. Dohlen (LAM), L. Grenfell (Tech. U. Berlin), M. Ferrari (LAM), M. Kasper (ESO), O. Grasset (U. Nantes), O. Guyon (Subaru), P. Baudoz (LESIA), P. Shore (U. Cranfield), R. Brown (STScI), R. Galicher (LESIA), S. Udry (Obs. Geneve)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-15T14:53:09Z","title":"Diversity among other worlds: characterization of exoplanets by direct detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.2496","kind":"arxiv","version":3},"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:bd2d6a60350c4b569b3f5b5bb861407f9b7c70d4488148a6e6fa2bdfc1555716","target":"record","created_at":"2026-07-04T15:38:10Z","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":"0cf593d64bad27a3c6789d7d89b10c7950f221085f4d4ec5e905f1699267b258","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-15T14:53:09Z","title_canon_sha256":"5376426bc5e7c1d57bb8d33fc8828d1d4bf962facd18060105ea1fd574747f6e"},"schema_version":"1.0","source":{"id":"0811.2496","kind":"arxiv","version":3}},"canonical_sha256":"64d264b382d47d1014b92e11482608667e145b9c46e0eedcea8d99e9345f21f4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64d264b382d47d1014b92e11482608667e145b9c46e0eedcea8d99e9345f21f4","first_computed_at":"2026-07-04T15:38:10.017537Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:38:10.017537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lyWTV99CfgWZR37KRvV5n016FnqMnNGixe1NN0P3nBQgvCYoSHK0OPFpo5P3Q18uAsTb+xt/dMEdXChogGxdDw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:38:10.017922Z","signed_message":"canonical_sha256_bytes"},"source_id":"0811.2496","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd2d6a60350c4b569b3f5b5bb861407f9b7c70d4488148a6e6fa2bdfc1555716","sha256:ea1c61d674766f2cfd142a3ba2947d9be2617066997a90a694bfe3bab4fef289"],"state_sha256":"9047bfb24f30309c6277e0581935fec48cfe0258cd55f788fad81b527c1f5ecf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v6I5M+vI2mf2YzMeXM3GQmx+dr40Vb4y+TybSSEoVgpLA3YMcXVMQdJ5Egp+kRw9pVONPugPmpiJN340amfJAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-22T01:44:52.883116Z","bundle_sha256":"5ed515b902b08b0d9eb8a4a95338df418066d959b05e0fcba883bd3a5b5be38d"}}