{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:DYIT26WBGW6T6BWTEMLLFOHOUJ","short_pith_number":"pith:DYIT26WB","schema_version":"1.0","canonical_sha256":"1e113d7ac135bd3f06d32316b2b8eea260a80949909ca541e1d91932b54fdfd1","source":{"kind":"arxiv","id":"1707.03730","version":1},"attestation_state":"computed","paper":{"title":"Exoplanet Transits as the Foundation of an Interstellar Communications Network","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.IM","authors_text":"Duncan H Forgan","submitted_at":"2017-07-06T09:02:27Z","abstract_excerpt":"Two fundamental problems for extraterrestrial intelligences (ETIs) attempting to establish interstellar communication are timing and energy consumption. Humanity's study of exoplanets via their transit across the host star highlights a means of solving both problems. An ETI 'A' can communicate with ETI 'B' if B is observing transiting planets in A's star system, either by building structures to produce artificial transits observable by B, or by emitting signals at B during transit, at significantly lower energy consumption than typical electromagnetic transmission schemes.\n  This can produce a"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1707.03730","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-07-06T09:02:27Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"69b42a95665ced6de60e73b42a4d9046d4cd684f1a290623ffc1a983cc3f777e","abstract_canon_sha256":"07de8a41deeff0b8b221ff36df0130918a1c2ff43152d3b1aac42ed8cda2b428"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:40:25.165602Z","signature_b64":"PQd0gTnAelBhb2Fanf/sjQo5/1yi1lVsHVii5EM03798lBlCssT5T/ggoJtj+H9hdxsYw67T+X+41rjWlUNeAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1e113d7ac135bd3f06d32316b2b8eea260a80949909ca541e1d91932b54fdfd1","last_reissued_at":"2026-05-18T00:40:25.164887Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:40:25.164887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Exoplanet Transits as the Foundation of an Interstellar Communications Network","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.IM","authors_text":"Duncan H Forgan","submitted_at":"2017-07-06T09:02:27Z","abstract_excerpt":"Two fundamental problems for extraterrestrial intelligences (ETIs) attempting to establish interstellar communication are timing and energy consumption. Humanity's study of exoplanets via their transit across the host star highlights a means of solving both problems. An ETI 'A' can communicate with ETI 'B' if B is observing transiting planets in A's star system, either by building structures to produce artificial transits observable by B, or by emitting signals at B during transit, at significantly lower energy consumption than typical electromagnetic transmission schemes.\n  This can produce a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.03730","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1707.03730","created_at":"2026-05-18T00:40:25.165010+00:00"},{"alias_kind":"arxiv_version","alias_value":"1707.03730v1","created_at":"2026-05-18T00:40:25.165010+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.03730","created_at":"2026-05-18T00:40:25.165010+00:00"},{"alias_kind":"pith_short_12","alias_value":"DYIT26WBGW6T","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_16","alias_value":"DYIT26WBGW6T6BWT","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_8","alias_value":"DYIT26WB","created_at":"2026-05-18T12:31:12.930513+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1907.04443","citing_title":"SETI in the Spatio-Temporal Survey Domain","ref_index":11,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DYIT26WBGW6T6BWTEMLLFOHOUJ","json":"https://pith.science/pith/DYIT26WBGW6T6BWTEMLLFOHOUJ.json","graph_json":"https://pith.science/api/pith-number/DYIT26WBGW6T6BWTEMLLFOHOUJ/graph.json","events_json":"https://pith.science/api/pith-number/DYIT26WBGW6T6BWTEMLLFOHOUJ/events.json","paper":"https://pith.science/paper/DYIT26WB"},"agent_actions":{"view_html":"https://pith.science/pith/DYIT26WBGW6T6BWTEMLLFOHOUJ","download_json":"https://pith.science/pith/DYIT26WBGW6T6BWTEMLLFOHOUJ.json","view_paper":"https://pith.science/paper/DYIT26WB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1707.03730&json=true","fetch_graph":"https://pith.science/api/pith-number/DYIT26WBGW6T6BWTEMLLFOHOUJ/graph.json","fetch_events":"https://pith.science/api/pith-number/DYIT26WBGW6T6BWTEMLLFOHOUJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DYIT26WBGW6T6BWTEMLLFOHOUJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DYIT26WBGW6T6BWTEMLLFOHOUJ/action/storage_attestation","attest_author":"https://pith.science/pith/DYIT26WBGW6T6BWTEMLLFOHOUJ/action/author_attestation","sign_citation":"https://pith.science/pith/DYIT26WBGW6T6BWTEMLLFOHOUJ/action/citation_signature","submit_replication":"https://pith.science/pith/DYIT26WBGW6T6BWTEMLLFOHOUJ/action/replication_record"}},"created_at":"2026-05-18T00:40:25.165010+00:00","updated_at":"2026-05-18T00:40:25.165010+00:00"}