{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:AOQMJK4OQ4RKPQFI5P3ZUIB35K","short_pith_number":"pith:AOQMJK4O","canonical_record":{"source":{"id":"0905.3115","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-05-19T14:25:02Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"f91dc49eafe8c2529989f3f82910182633f609c259f5cbccacefe493e017ddec","abstract_canon_sha256":"23dea72c2decf627babf3424f2e10128a8fb1f030cf93c1ce03c0eb9eea90cc1"},"schema_version":"1.0"},"canonical_sha256":"03a0c4ab8e8722a7c0a8ebf79a203beaa4c3e670ade2bda296f79eb66a03d544","source":{"kind":"arxiv","id":"0905.3115","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.3115","created_at":"2026-05-18T02:13:38Z"},{"alias_kind":"arxiv_version","alias_value":"0905.3115v1","created_at":"2026-05-18T02:13:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.3115","created_at":"2026-05-18T02:13:38Z"},{"alias_kind":"pith_short_12","alias_value":"AOQMJK4OQ4RK","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"AOQMJK4OQ4RKPQFI","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"AOQMJK4O","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:AOQMJK4OQ4RKPQFI5P3ZUIB35K","target":"record","payload":{"canonical_record":{"source":{"id":"0905.3115","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-05-19T14:25:02Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"f91dc49eafe8c2529989f3f82910182633f609c259f5cbccacefe493e017ddec","abstract_canon_sha256":"23dea72c2decf627babf3424f2e10128a8fb1f030cf93c1ce03c0eb9eea90cc1"},"schema_version":"1.0"},"canonical_sha256":"03a0c4ab8e8722a7c0a8ebf79a203beaa4c3e670ade2bda296f79eb66a03d544","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:38.631820Z","signature_b64":"wHEmDmfWByTzHdGcwhvrLkjeUJZHWg8lcB1CwKf6JWO0qjKX5wLzXpumzv3PNM2kZ7SOUolFJxm6D2eR+NXbCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"03a0c4ab8e8722a7c0a8ebf79a203beaa4c3e670ade2bda296f79eb66a03d544","last_reissued_at":"2026-05-18T02:13:38.631430Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:38.631430Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0905.3115","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":"2026-05-18T02:13:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"svc5jbrra71PGTTlRqeHCgGbRg6yLPQaq7Qfp+LLwwiRqPhX34B5N+CtKZiiL2wzmPgPB41WARVIyn8wNKUaCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:51:34.389174Z"},"content_sha256":"131b79eaf5d17490f386b90f678f0e9806e5da2b2f33b16cfdc41871c08bffd3","schema_version":"1.0","event_id":"sha256:131b79eaf5d17490f386b90f678f0e9806e5da2b2f33b16cfdc41871c08bffd3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:AOQMJK4OQ4RKPQFI5P3ZUIB35K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The 0.5M$_J$ transiting exoplanet WASP-13b","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"A. Collier Cameron, A.J. Norton, B. Enoch, B. Loeillet, B. Smalley, C.A. Haswell, C. Hellier, C. Moutou, D.J. Christian, D.M. Wilson, D. Pollacco, D. Queloz, D.R. Anderson, E. Simpson, F. Bouchy, F.P. Keenan, G. H\\'ebrard, H.C. Stempels, I. Skillen, I. Todd, J. Irwin, K. Horne, L. Hebb, M. Mayor, N. Parley, N.P. Gibson, P.J. Wheatley, P. Maxted, R.A. Street, R.G. West, R. Ryans, S.C.C. Barros, S. Udry, T.A. Lister, Y.C. Joshi","submitted_at":"2009-05-19T14:25:02Z","abstract_excerpt":"We report the discovery of WASP-13b, a low-mass $ M_p = 0.46 ^{+ 0.06}_{- 0.05} M_J$ transiting exoplanet with an orbital period of $4.35298 \\pm 0.00004$ days. The transit has a depth of 9 mmag, and although our follow-up photometry does not allow us to constrain the impact parameter well ($0 < b < 0.46$), with radius in the range $R_p \\sim 1.06 - 1.21 R_J$ the location of WASP-13b in the mass-radius plane is nevertheless consistent with H/He-dominated, irradiated, low core mass and core-free theoretical models. The G1V host star is similar to the Sun in mass (M$_{*} = 1.03^{+0.11}_ {- 0.09} M"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.3115","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":"2026-05-18T02:13:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8C2dP4U6S1fQVyg+BDWW8I0EfPUBC38iKs4vLF46n7w/G/lNF8q35qapUlCLPUsYS8RehzrYEeJ/DMtzpWRuBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:51:34.389757Z"},"content_sha256":"ed27df99b16117c3adea2cab397c57fe0a502157f5cb1156996fc09e673f7423","schema_version":"1.0","event_id":"sha256:ed27df99b16117c3adea2cab397c57fe0a502157f5cb1156996fc09e673f7423"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AOQMJK4OQ4RKPQFI5P3ZUIB35K/bundle.json","state_url":"https://pith.science/pith/AOQMJK4OQ4RKPQFI5P3ZUIB35K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AOQMJK4OQ4RKPQFI5P3ZUIB35K/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":"2026-05-30T11:51:34Z","links":{"resolver":"https://pith.science/pith/AOQMJK4OQ4RKPQFI5P3ZUIB35K","bundle":"https://pith.science/pith/AOQMJK4OQ4RKPQFI5P3ZUIB35K/bundle.json","state":"https://pith.science/pith/AOQMJK4OQ4RKPQFI5P3ZUIB35K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AOQMJK4OQ4RKPQFI5P3ZUIB35K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:AOQMJK4OQ4RKPQFI5P3ZUIB35K","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":"23dea72c2decf627babf3424f2e10128a8fb1f030cf93c1ce03c0eb9eea90cc1","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-05-19T14:25:02Z","title_canon_sha256":"f91dc49eafe8c2529989f3f82910182633f609c259f5cbccacefe493e017ddec"},"schema_version":"1.0","source":{"id":"0905.3115","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0905.3115","created_at":"2026-05-18T02:13:38Z"},{"alias_kind":"arxiv_version","alias_value":"0905.3115v1","created_at":"2026-05-18T02:13:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.3115","created_at":"2026-05-18T02:13:38Z"},{"alias_kind":"pith_short_12","alias_value":"AOQMJK4OQ4RK","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"AOQMJK4OQ4RKPQFI","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"AOQMJK4O","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:ed27df99b16117c3adea2cab397c57fe0a502157f5cb1156996fc09e673f7423","target":"graph","created_at":"2026-05-18T02:13:38Z","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 the discovery of WASP-13b, a low-mass $ M_p = 0.46 ^{+ 0.06}_{- 0.05} M_J$ transiting exoplanet with an orbital period of $4.35298 \\pm 0.00004$ days. The transit has a depth of 9 mmag, and although our follow-up photometry does not allow us to constrain the impact parameter well ($0 < b < 0.46$), with radius in the range $R_p \\sim 1.06 - 1.21 R_J$ the location of WASP-13b in the mass-radius plane is nevertheless consistent with H/He-dominated, irradiated, low core mass and core-free theoretical models. The G1V host star is similar to the Sun in mass (M$_{*} = 1.03^{+0.11}_ {- 0.09} M","authors_text":"A. Collier Cameron, A.J. Norton, B. Enoch, B. Loeillet, B. Smalley, C.A. Haswell, C. Hellier, C. Moutou, D.J. Christian, D.M. Wilson, D. Pollacco, D. Queloz, D.R. Anderson, E. Simpson, F. Bouchy, F.P. Keenan, G. H\\'ebrard, H.C. Stempels, I. Skillen, I. Todd, J. Irwin, K. Horne, L. Hebb, M. Mayor, N. Parley, N.P. Gibson, P.J. Wheatley, P. Maxted, R.A. Street, R.G. West, R. Ryans, S.C.C. Barros, S. Udry, T.A. Lister, Y.C. Joshi","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-05-19T14:25:02Z","title":"The 0.5M$_J$ transiting exoplanet WASP-13b"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.3115","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":"sha256:131b79eaf5d17490f386b90f678f0e9806e5da2b2f33b16cfdc41871c08bffd3","target":"record","created_at":"2026-05-18T02:13:38Z","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":"23dea72c2decf627babf3424f2e10128a8fb1f030cf93c1ce03c0eb9eea90cc1","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-05-19T14:25:02Z","title_canon_sha256":"f91dc49eafe8c2529989f3f82910182633f609c259f5cbccacefe493e017ddec"},"schema_version":"1.0","source":{"id":"0905.3115","kind":"arxiv","version":1}},"canonical_sha256":"03a0c4ab8e8722a7c0a8ebf79a203beaa4c3e670ade2bda296f79eb66a03d544","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"03a0c4ab8e8722a7c0a8ebf79a203beaa4c3e670ade2bda296f79eb66a03d544","first_computed_at":"2026-05-18T02:13:38.631430Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:38.631430Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wHEmDmfWByTzHdGcwhvrLkjeUJZHWg8lcB1CwKf6JWO0qjKX5wLzXpumzv3PNM2kZ7SOUolFJxm6D2eR+NXbCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:38.631820Z","signed_message":"canonical_sha256_bytes"},"source_id":"0905.3115","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:131b79eaf5d17490f386b90f678f0e9806e5da2b2f33b16cfdc41871c08bffd3","sha256:ed27df99b16117c3adea2cab397c57fe0a502157f5cb1156996fc09e673f7423"],"state_sha256":"98352092675a4e54e4c6a6c5d7a0f0df5439ec3f13823634f58751021b742c1e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pezwC3WNMLYUPPHR7JMJNcB/Lof9unJyAVtA5dBkXiB7h0nYpOrMUQqi8+MleEs58ehGeTM1okUEj3xYqjeWBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T11:51:34.392440Z","bundle_sha256":"bf94ef76086c2d08bd5a51fe1ce1e8d5c40af3b30cad5d131257b0bedf055fc5"}}