{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:3WGS446MYLCNHGLLPNZMZMF2ZR","short_pith_number":"pith:3WGS446M","canonical_record":{"source":{"id":"2107.06375","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-07-13T20:27:44Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"a55944bfd2dc851138e48beacc7be43dd3394e715a92d4fadba461fd9ee0e647","abstract_canon_sha256":"5075a18cf3c2106d8fb1357447245fecb633bd76140a82905b2e1e8780423ef4"},"schema_version":"1.0"},"canonical_sha256":"dd8d2e73ccc2c4d3996b7b72ccb0bacc698e9c160a21dde55268e63d7e468d2c","source":{"kind":"arxiv","id":"2107.06375","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.06375","created_at":"2026-07-05T03:10:34Z"},{"alias_kind":"arxiv_version","alias_value":"2107.06375v2","created_at":"2026-07-05T03:10:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.06375","created_at":"2026-07-05T03:10:34Z"},{"alias_kind":"pith_short_12","alias_value":"3WGS446MYLCN","created_at":"2026-07-05T03:10:34Z"},{"alias_kind":"pith_short_16","alias_value":"3WGS446MYLCNHGLL","created_at":"2026-07-05T03:10:34Z"},{"alias_kind":"pith_short_8","alias_value":"3WGS446M","created_at":"2026-07-05T03:10:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:3WGS446MYLCNHGLLPNZMZMF2ZR","target":"record","payload":{"canonical_record":{"source":{"id":"2107.06375","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-07-13T20:27:44Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"a55944bfd2dc851138e48beacc7be43dd3394e715a92d4fadba461fd9ee0e647","abstract_canon_sha256":"5075a18cf3c2106d8fb1357447245fecb633bd76140a82905b2e1e8780423ef4"},"schema_version":"1.0"},"canonical_sha256":"dd8d2e73ccc2c4d3996b7b72ccb0bacc698e9c160a21dde55268e63d7e468d2c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:10:34.711453Z","signature_b64":"O6yJ8sVdte8iqQ0lK/teVQ5X7zqkWNNz4LHMhOeKoeTRBgvwE8HegJGaz/p2G+6CGxsrNWxbo6Thbt5fSkpNBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dd8d2e73ccc2c4d3996b7b72ccb0bacc698e9c160a21dde55268e63d7e468d2c","last_reissued_at":"2026-07-05T03:10:34.710940Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:10:34.710940Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.06375","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:10:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/ScfzQfngpjppeLFvVFwFy7Okfqg2Z6Lc3+wMOz8kVpfrF1HuwyjW4JCWxqGV7Wv0lFPlNk4jIqARprdltzYCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:45:13.850903Z"},"content_sha256":"dff7f3ace53c4882315e761c60a752d9bb76e55d8e39d686d46749e5873f73d6","schema_version":"1.0","event_id":"sha256:dff7f3ace53c4882315e761c60a752d9bb76e55d8e39d686d46749e5873f73d6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:3WGS446MYLCNHGLLPNZMZMF2ZR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exoplanets with ELT-METIS I: Estimating the direct imaging exoplanet yield around stars within 6.5 parsecs","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.EP","authors_text":"B. Carlomagno, C. Delacroix, F. Cantalloube, G. Orban de Xivry, Michael R. Meyer, M. Kenworthy, M. Shinde, O. Absil, P. Pathak, Rory Bowens, R. van Boekel, S. P. Quanz","submitted_at":"2021-07-13T20:27:44Z","abstract_excerpt":"Direct imaging is a powerful exoplanet discovery technique that is complementary to other techniques and offers great promise in the era of 30 meter class telescopes. Space-based transit surveys have revolutionized our understanding of the frequency of planets at small orbital radii around Sun-like stars. The next generation of extremely large ground-based telescopes will have the angular resolution and sensitivity to directly image planets with $R < 4R_\\oplus$ around the very nearest stars. Here, we predict yields from a direct imaging survey of a volume-limited sample of Sun-like stars with "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.06375","kind":"arxiv","version":2},"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/2107.06375/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":"2026-07-05T03:10:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mc61w1nSwA/iJjoD1L9puBPoF4njbCKgShpX6xVa+XUor7LQNElPEwARsAn43H9JW/HaNPzav8ckvWR18QheDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:45:13.851295Z"},"content_sha256":"da0c7c4e8022f45524cf2ad229ae5832369d9732daa12d2da92ef72dbaba0b16","schema_version":"1.0","event_id":"sha256:da0c7c4e8022f45524cf2ad229ae5832369d9732daa12d2da92ef72dbaba0b16"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3WGS446MYLCNHGLLPNZMZMF2ZR/bundle.json","state_url":"https://pith.science/pith/3WGS446MYLCNHGLLPNZMZMF2ZR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3WGS446MYLCNHGLLPNZMZMF2ZR/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":"2026-07-07T05:45:13Z","links":{"resolver":"https://pith.science/pith/3WGS446MYLCNHGLLPNZMZMF2ZR","bundle":"https://pith.science/pith/3WGS446MYLCNHGLLPNZMZMF2ZR/bundle.json","state":"https://pith.science/pith/3WGS446MYLCNHGLLPNZMZMF2ZR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3WGS446MYLCNHGLLPNZMZMF2ZR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:3WGS446MYLCNHGLLPNZMZMF2ZR","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":"5075a18cf3c2106d8fb1357447245fecb633bd76140a82905b2e1e8780423ef4","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-07-13T20:27:44Z","title_canon_sha256":"a55944bfd2dc851138e48beacc7be43dd3394e715a92d4fadba461fd9ee0e647"},"schema_version":"1.0","source":{"id":"2107.06375","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.06375","created_at":"2026-07-05T03:10:34Z"},{"alias_kind":"arxiv_version","alias_value":"2107.06375v2","created_at":"2026-07-05T03:10:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.06375","created_at":"2026-07-05T03:10:34Z"},{"alias_kind":"pith_short_12","alias_value":"3WGS446MYLCN","created_at":"2026-07-05T03:10:34Z"},{"alias_kind":"pith_short_16","alias_value":"3WGS446MYLCNHGLL","created_at":"2026-07-05T03:10:34Z"},{"alias_kind":"pith_short_8","alias_value":"3WGS446M","created_at":"2026-07-05T03:10:34Z"}],"graph_snapshots":[{"event_id":"sha256:da0c7c4e8022f45524cf2ad229ae5832369d9732daa12d2da92ef72dbaba0b16","target":"graph","created_at":"2026-07-05T03:10:34Z","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/2107.06375/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Direct imaging is a powerful exoplanet discovery technique that is complementary to other techniques and offers great promise in the era of 30 meter class telescopes. Space-based transit surveys have revolutionized our understanding of the frequency of planets at small orbital radii around Sun-like stars. The next generation of extremely large ground-based telescopes will have the angular resolution and sensitivity to directly image planets with $R < 4R_\\oplus$ around the very nearest stars. Here, we predict yields from a direct imaging survey of a volume-limited sample of Sun-like stars with ","authors_text":"B. Carlomagno, C. Delacroix, F. Cantalloube, G. Orban de Xivry, Michael R. Meyer, M. Kenworthy, M. Shinde, O. Absil, P. Pathak, Rory Bowens, R. van Boekel, S. P. Quanz","cross_cats":["astro-ph.IM"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-07-13T20:27:44Z","title":"Exoplanets with ELT-METIS I: Estimating the direct imaging exoplanet yield around stars within 6.5 parsecs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.06375","kind":"arxiv","version":2},"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:dff7f3ace53c4882315e761c60a752d9bb76e55d8e39d686d46749e5873f73d6","target":"record","created_at":"2026-07-05T03:10:34Z","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":"5075a18cf3c2106d8fb1357447245fecb633bd76140a82905b2e1e8780423ef4","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-07-13T20:27:44Z","title_canon_sha256":"a55944bfd2dc851138e48beacc7be43dd3394e715a92d4fadba461fd9ee0e647"},"schema_version":"1.0","source":{"id":"2107.06375","kind":"arxiv","version":2}},"canonical_sha256":"dd8d2e73ccc2c4d3996b7b72ccb0bacc698e9c160a21dde55268e63d7e468d2c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd8d2e73ccc2c4d3996b7b72ccb0bacc698e9c160a21dde55268e63d7e468d2c","first_computed_at":"2026-07-05T03:10:34.710940Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:10:34.710940Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O6yJ8sVdte8iqQ0lK/teVQ5X7zqkWNNz4LHMhOeKoeTRBgvwE8HegJGaz/p2G+6CGxsrNWxbo6Thbt5fSkpNBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:10:34.711453Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.06375","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dff7f3ace53c4882315e761c60a752d9bb76e55d8e39d686d46749e5873f73d6","sha256:da0c7c4e8022f45524cf2ad229ae5832369d9732daa12d2da92ef72dbaba0b16"],"state_sha256":"021d0e9e2a34aad3293f67a791449bedb4c5736c2e4711df6043d72021dd8cf1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L3srSYbIPtzWQHkgqrj00wOI+aR55fLd/xwlM0xAAPXKlJz1nRHnQgyEyyV0Mm8HPlGKgMDtdUCLw+5vyjD+AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T05:45:13.853521Z","bundle_sha256":"3e69585b68c59ad1315a31f4682ccc05232e4b66796c00b8bbd036312e15a77f"}}