{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:YVZPYGOJGHZR4OJMYZNH6LPAQL","short_pith_number":"pith:YVZPYGOJ","canonical_record":{"source":{"id":"1408.1134","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2014-08-05T22:20:39Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"aaf10e8813369abf50f32daaee5b10ce94d24b75d54e63fc319b43abec71a842","abstract_canon_sha256":"56c6ef4d2fcd5a7c0386eff047b907053eb00b318ba6d001287445dac0c6d41d"},"schema_version":"1.0"},"canonical_sha256":"c572fc19c931f31e392cc65a7f2de082db5e82d8f517d8b6474927b76c9e2f7c","source":{"kind":"arxiv","id":"1408.1134","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.1134","created_at":"2026-05-18T01:42:23Z"},{"alias_kind":"arxiv_version","alias_value":"1408.1134v1","created_at":"2026-05-18T01:42:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.1134","created_at":"2026-05-18T01:42:23Z"},{"alias_kind":"pith_short_12","alias_value":"YVZPYGOJGHZR","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"YVZPYGOJGHZR4OJM","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"YVZPYGOJ","created_at":"2026-05-18T12:28:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:YVZPYGOJGHZR4OJMYZNH6LPAQL","target":"record","payload":{"canonical_record":{"source":{"id":"1408.1134","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2014-08-05T22:20:39Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"aaf10e8813369abf50f32daaee5b10ce94d24b75d54e63fc319b43abec71a842","abstract_canon_sha256":"56c6ef4d2fcd5a7c0386eff047b907053eb00b318ba6d001287445dac0c6d41d"},"schema_version":"1.0"},"canonical_sha256":"c572fc19c931f31e392cc65a7f2de082db5e82d8f517d8b6474927b76c9e2f7c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:23.502845Z","signature_b64":"PHahsWqXk8xLaVtsRhU/wk476EQnRS4zDfmDZAcuWYb/3K7wmSOOlUDtjCK23caOYOHRfULnJlqzxg0fWiR7Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c572fc19c931f31e392cc65a7f2de082db5e82d8f517d8b6474927b76c9e2f7c","last_reissued_at":"2026-05-18T01:42:23.502390Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:23.502390Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.1134","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":"2026-05-18T01:42:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0EjtK/8XXGR3i0PZjm19AtC3QXiZet9pWry2WPwsRJ89nSMy08jv1jQU74z7vi2t5q5+udkx+UQjE5sv8lh0Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T21:08:53.235912Z"},"content_sha256":"8bb0cc0bb621b4573185c8e05190870ba001aeec7c690f390138b6f8c015626e","schema_version":"1.0","event_id":"sha256:8bb0cc0bb621b4573185c8e05190870ba001aeec7c690f390138b6f8c015626e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:YVZPYGOJGHZR4OJMYZNH6LPAQL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The \\^G Infrared Search for Extraterrestrial Civilizations with Large Energy Supplies. II. Framework, Strategy, and First Result","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"physics.pop-ph","authors_text":"B. Mullan, J. T. Wright, M. S. Povich, R. Griffith, S. Sigur{\\eth}sson","submitted_at":"2014-08-05T22:20:39Z","abstract_excerpt":"We describe the framework and strategy of the \\^G infrared search for extraterrestrial civilizations with large energy supplies, which will use the wide-field infrared surveys of WISE and Spitzer to search for these civilizations' waste heat. We develop a formalism for translating mid-infrared photometry into quantitative upper limits on extraterrestrial energy supplies. We discuss the likely sources of false positives, how dust can and will contaminate our search, and prospects for distinguishing dust from alien waste heat. We argue that galaxy-spanning civilizations may be easier to distingu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.1134","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":"2026-05-18T01:42:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bBmCvnFysas0FLrtqU/i8kNkfbxq0IkCOFCq/InbhaEHhDRka+2SMf4dp1cDx9JbxuFAJmgvrgnrWO1YH0LtAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T21:08:53.236642Z"},"content_sha256":"fcada0ef62460f8c58142bec78232363cd0fcdd6444110acf9b8a60d4e7ce1a3","schema_version":"1.0","event_id":"sha256:fcada0ef62460f8c58142bec78232363cd0fcdd6444110acf9b8a60d4e7ce1a3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YVZPYGOJGHZR4OJMYZNH6LPAQL/bundle.json","state_url":"https://pith.science/pith/YVZPYGOJGHZR4OJMYZNH6LPAQL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YVZPYGOJGHZR4OJMYZNH6LPAQL/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":"2026-06-07T21:08:53Z","links":{"resolver":"https://pith.science/pith/YVZPYGOJGHZR4OJMYZNH6LPAQL","bundle":"https://pith.science/pith/YVZPYGOJGHZR4OJMYZNH6LPAQL/bundle.json","state":"https://pith.science/pith/YVZPYGOJGHZR4OJMYZNH6LPAQL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YVZPYGOJGHZR4OJMYZNH6LPAQL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:YVZPYGOJGHZR4OJMYZNH6LPAQL","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":"56c6ef4d2fcd5a7c0386eff047b907053eb00b318ba6d001287445dac0c6d41d","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2014-08-05T22:20:39Z","title_canon_sha256":"aaf10e8813369abf50f32daaee5b10ce94d24b75d54e63fc319b43abec71a842"},"schema_version":"1.0","source":{"id":"1408.1134","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.1134","created_at":"2026-05-18T01:42:23Z"},{"alias_kind":"arxiv_version","alias_value":"1408.1134v1","created_at":"2026-05-18T01:42:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.1134","created_at":"2026-05-18T01:42:23Z"},{"alias_kind":"pith_short_12","alias_value":"YVZPYGOJGHZR","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"YVZPYGOJGHZR4OJM","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"YVZPYGOJ","created_at":"2026-05-18T12:28:59Z"}],"graph_snapshots":[{"event_id":"sha256:fcada0ef62460f8c58142bec78232363cd0fcdd6444110acf9b8a60d4e7ce1a3","target":"graph","created_at":"2026-05-18T01:42:23Z","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 describe the framework and strategy of the \\^G infrared search for extraterrestrial civilizations with large energy supplies, which will use the wide-field infrared surveys of WISE and Spitzer to search for these civilizations' waste heat. We develop a formalism for translating mid-infrared photometry into quantitative upper limits on extraterrestrial energy supplies. We discuss the likely sources of false positives, how dust can and will contaminate our search, and prospects for distinguishing dust from alien waste heat. We argue that galaxy-spanning civilizations may be easier to distingu","authors_text":"B. Mullan, J. T. Wright, M. S. Povich, R. Griffith, S. Sigur{\\eth}sson","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2014-08-05T22:20:39Z","title":"The \\^G Infrared Search for Extraterrestrial Civilizations with Large Energy Supplies. II. Framework, Strategy, and First Result"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.1134","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":"sha256:8bb0cc0bb621b4573185c8e05190870ba001aeec7c690f390138b6f8c015626e","target":"record","created_at":"2026-05-18T01:42:23Z","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":"56c6ef4d2fcd5a7c0386eff047b907053eb00b318ba6d001287445dac0c6d41d","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2014-08-05T22:20:39Z","title_canon_sha256":"aaf10e8813369abf50f32daaee5b10ce94d24b75d54e63fc319b43abec71a842"},"schema_version":"1.0","source":{"id":"1408.1134","kind":"arxiv","version":1}},"canonical_sha256":"c572fc19c931f31e392cc65a7f2de082db5e82d8f517d8b6474927b76c9e2f7c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c572fc19c931f31e392cc65a7f2de082db5e82d8f517d8b6474927b76c9e2f7c","first_computed_at":"2026-05-18T01:42:23.502390Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:23.502390Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PHahsWqXk8xLaVtsRhU/wk476EQnRS4zDfmDZAcuWYb/3K7wmSOOlUDtjCK23caOYOHRfULnJlqzxg0fWiR7Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:23.502845Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.1134","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8bb0cc0bb621b4573185c8e05190870ba001aeec7c690f390138b6f8c015626e","sha256:fcada0ef62460f8c58142bec78232363cd0fcdd6444110acf9b8a60d4e7ce1a3"],"state_sha256":"8bcb78d57eee3629678b8437fa2aa8e8bfbd9cb41e0d8adbcde9a2711f3b87c9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mIddscMqaJCZQqAXcTbt7/RcQcX5of79t+v7qktmn3mLIXzFpt7Vhq9AuW2/EyqXMC1syEO0leUEWVED5kOoAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T21:08:53.240531Z","bundle_sha256":"8abc4e4892fe12f3c14be590071c2447794fc5f2e583a417efb7088b137bb075"}}