{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:MZTREAMNCFSKIRIFRR6DPK5D4U","short_pith_number":"pith:MZTREAMN","canonical_record":{"source":{"id":"1108.3730","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-08-18T11:58:02Z","cross_cats_sorted":[],"title_canon_sha256":"57dd931b983c7f6de003c5c90691fcd50765f607c195dc97296923b16cd61579","abstract_canon_sha256":"493fb382f30adecbb3ab05ab36a8e67f6975393cbaa422e3ba7a3bc1fca83408"},"schema_version":"1.0"},"canonical_sha256":"666712018d1164a445058c7c37aba3e511b5885616c0cf68f86c39bc09530565","source":{"kind":"arxiv","id":"1108.3730","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.3730","created_at":"2026-05-18T02:00:50Z"},{"alias_kind":"arxiv_version","alias_value":"1108.3730v1","created_at":"2026-05-18T02:00:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.3730","created_at":"2026-05-18T02:00:50Z"},{"alias_kind":"pith_short_12","alias_value":"MZTREAMNCFSK","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"MZTREAMNCFSKIRIF","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"MZTREAMN","created_at":"2026-05-18T12:26:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:MZTREAMNCFSKIRIFRR6DPK5D4U","target":"record","payload":{"canonical_record":{"source":{"id":"1108.3730","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-08-18T11:58:02Z","cross_cats_sorted":[],"title_canon_sha256":"57dd931b983c7f6de003c5c90691fcd50765f607c195dc97296923b16cd61579","abstract_canon_sha256":"493fb382f30adecbb3ab05ab36a8e67f6975393cbaa422e3ba7a3bc1fca83408"},"schema_version":"1.0"},"canonical_sha256":"666712018d1164a445058c7c37aba3e511b5885616c0cf68f86c39bc09530565","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:50.930265Z","signature_b64":"AE/seOWfo6fBkbGSr8BMPGSiQyFyQF3s4Zg4HSdCkSm3KTEWquhVgUlZ6H13vkkZjRXsi0ThcR175Mqw8W5BAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"666712018d1164a445058c7c37aba3e511b5885616c0cf68f86c39bc09530565","last_reissued_at":"2026-05-18T02:00:50.929567Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:50.929567Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.3730","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":"2026-05-18T02:00:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I5J/YMegmbR8F53jkrKt0aPhNp0q/RHErIQBp9Ev+vv0eDmFNYJJx163b4ngAtQ9mw8Q/rzk/96N4li75cBfCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T10:36:47.178304Z"},"content_sha256":"c06c7511e996dc45623bf23876bc3e8e3449a270b3077e73253065dbc982202a","schema_version":"1.0","event_id":"sha256:c06c7511e996dc45623bf23876bc3e8e3449a270b3077e73253065dbc982202a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:MZTREAMNCFSKIRIFRR6DPK5D4U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"GMRT search for 150 MHz radio emission from the transiting extrasolar planets HD189733b and HD209458b","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"A. Lecavelier des Etangs, Gopal-Krishna, P. Zarka, S. K. Sirothia","submitted_at":"2011-08-18T11:58:02Z","abstract_excerpt":"We report a sensitive search for meter-wavelength emission at 150 MHz from two prominent transiting extrasolar planets, HD189733b and HD209458b. To distinguish any planetary emission from possible stellar or background contributions, we monitored these systems just prior to, during, and after the planet's eclipse behind the host star. No emission was detected from HD209458b with a 3-sigma upper limit of 3.6 mJy. For HD189733b we obtain a 3-sigma upper limit of 2.1 mJy and a marginal 2.7-sigma detection of about 1.9+/-0.7 mJy from a direction just 13\" from the star's coordinates (i.e., within t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.3730","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":"2026-05-18T02:00:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BVIyZj6KwfT5grr7gVAGYsNoPAIbbgq06/WiJyquykOcfgcmrr5VT3QMmEeqsJbnl/hgVD3yGDsuULGxDtmnDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T10:36:47.178858Z"},"content_sha256":"e7964c7b7722071ec419b33d713f571e3cd935b425a672d07ceacdfbe8fe3317","schema_version":"1.0","event_id":"sha256:e7964c7b7722071ec419b33d713f571e3cd935b425a672d07ceacdfbe8fe3317"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MZTREAMNCFSKIRIFRR6DPK5D4U/bundle.json","state_url":"https://pith.science/pith/MZTREAMNCFSKIRIFRR6DPK5D4U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MZTREAMNCFSKIRIFRR6DPK5D4U/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":"2026-06-07T10:36:47Z","links":{"resolver":"https://pith.science/pith/MZTREAMNCFSKIRIFRR6DPK5D4U","bundle":"https://pith.science/pith/MZTREAMNCFSKIRIFRR6DPK5D4U/bundle.json","state":"https://pith.science/pith/MZTREAMNCFSKIRIFRR6DPK5D4U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MZTREAMNCFSKIRIFRR6DPK5D4U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:MZTREAMNCFSKIRIFRR6DPK5D4U","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":"493fb382f30adecbb3ab05ab36a8e67f6975393cbaa422e3ba7a3bc1fca83408","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-08-18T11:58:02Z","title_canon_sha256":"57dd931b983c7f6de003c5c90691fcd50765f607c195dc97296923b16cd61579"},"schema_version":"1.0","source":{"id":"1108.3730","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.3730","created_at":"2026-05-18T02:00:50Z"},{"alias_kind":"arxiv_version","alias_value":"1108.3730v1","created_at":"2026-05-18T02:00:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.3730","created_at":"2026-05-18T02:00:50Z"},{"alias_kind":"pith_short_12","alias_value":"MZTREAMNCFSK","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"MZTREAMNCFSKIRIF","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"MZTREAMN","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:e7964c7b7722071ec419b33d713f571e3cd935b425a672d07ceacdfbe8fe3317","target":"graph","created_at":"2026-05-18T02:00:50Z","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 report a sensitive search for meter-wavelength emission at 150 MHz from two prominent transiting extrasolar planets, HD189733b and HD209458b. To distinguish any planetary emission from possible stellar or background contributions, we monitored these systems just prior to, during, and after the planet's eclipse behind the host star. No emission was detected from HD209458b with a 3-sigma upper limit of 3.6 mJy. For HD189733b we obtain a 3-sigma upper limit of 2.1 mJy and a marginal 2.7-sigma detection of about 1.9+/-0.7 mJy from a direction just 13\" from the star's coordinates (i.e., within t","authors_text":"A. Lecavelier des Etangs, Gopal-Krishna, P. Zarka, S. K. Sirothia","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-08-18T11:58:02Z","title":"GMRT search for 150 MHz radio emission from the transiting extrasolar planets HD189733b and HD209458b"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.3730","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:c06c7511e996dc45623bf23876bc3e8e3449a270b3077e73253065dbc982202a","target":"record","created_at":"2026-05-18T02:00:50Z","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":"493fb382f30adecbb3ab05ab36a8e67f6975393cbaa422e3ba7a3bc1fca83408","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-08-18T11:58:02Z","title_canon_sha256":"57dd931b983c7f6de003c5c90691fcd50765f607c195dc97296923b16cd61579"},"schema_version":"1.0","source":{"id":"1108.3730","kind":"arxiv","version":1}},"canonical_sha256":"666712018d1164a445058c7c37aba3e511b5885616c0cf68f86c39bc09530565","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"666712018d1164a445058c7c37aba3e511b5885616c0cf68f86c39bc09530565","first_computed_at":"2026-05-18T02:00:50.929567Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:50.929567Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AE/seOWfo6fBkbGSr8BMPGSiQyFyQF3s4Zg4HSdCkSm3KTEWquhVgUlZ6H13vkkZjRXsi0ThcR175Mqw8W5BAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:50.930265Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.3730","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c06c7511e996dc45623bf23876bc3e8e3449a270b3077e73253065dbc982202a","sha256:e7964c7b7722071ec419b33d713f571e3cd935b425a672d07ceacdfbe8fe3317"],"state_sha256":"c948a7bfd688be83d164f43b78ad98f6d83e3ad141ae1ef0bdaa675bb9c99f0f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ddSe4aOFxasUfyIdeMA1tCzvZws9EUbnNC7H3KWANJrwmVVjJ2jQkQo3jB6joLbpc0dlTRKvXtiMwyXGTiUeAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T10:36:47.181570Z","bundle_sha256":"6c962cddc04297802f92c4e473a4769fca9051662bc0ff1c917d22244368aab5"}}