{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:DAONWX2MIWTSBOSS4GBGFFMEAF","short_pith_number":"pith:DAONWX2M","canonical_record":{"source":{"id":"0904.2736","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-04-17T15:40:37Z","cross_cats_sorted":[],"title_canon_sha256":"a57bbae7f0816a3cad010d3af75119b34f8d757033725586dce9e64a6c7987a3","abstract_canon_sha256":"bbd822a45729bbf17e53792e05f4150f3b4c94b8d78895342570e0af9f87c852"},"schema_version":"1.0"},"canonical_sha256":"181cdb5f4c45a720ba52e1826295840159d2a79bddbf1ff20509600ae3d0f456","source":{"kind":"arxiv","id":"0904.2736","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.2736","created_at":"2026-07-04T15:48:38Z"},{"alias_kind":"arxiv_version","alias_value":"0904.2736v2","created_at":"2026-07-04T15:48:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.2736","created_at":"2026-07-04T15:48:38Z"},{"alias_kind":"pith_short_12","alias_value":"DAONWX2MIWTS","created_at":"2026-07-04T15:48:38Z"},{"alias_kind":"pith_short_16","alias_value":"DAONWX2MIWTSBOSS","created_at":"2026-07-04T15:48:38Z"},{"alias_kind":"pith_short_8","alias_value":"DAONWX2M","created_at":"2026-07-04T15:48:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:DAONWX2MIWTSBOSS4GBGFFMEAF","target":"record","payload":{"canonical_record":{"source":{"id":"0904.2736","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-04-17T15:40:37Z","cross_cats_sorted":[],"title_canon_sha256":"a57bbae7f0816a3cad010d3af75119b34f8d757033725586dce9e64a6c7987a3","abstract_canon_sha256":"bbd822a45729bbf17e53792e05f4150f3b4c94b8d78895342570e0af9f87c852"},"schema_version":"1.0"},"canonical_sha256":"181cdb5f4c45a720ba52e1826295840159d2a79bddbf1ff20509600ae3d0f456","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:48:38.003474Z","signature_b64":"85msyzgVaGDUQ+RnhFEQz4R2wjSznra479VfWtPebE6juhH2uQ8IiYQKEIpy8JGKYyh8Wpk/GbnqMfdatUZICQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"181cdb5f4c45a720ba52e1826295840159d2a79bddbf1ff20509600ae3d0f456","last_reissued_at":"2026-07-04T15:48:38.003028Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:48:38.003028Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0904.2736","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":"2026-07-04T15:48:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lP53RxKfmKjxBgTj0/hF1FJAOb52v1q3TArkOWtytZVl3AaydrCR/C0TYps3Pw+YovoIZ5z1y5HTqvKPLGjPDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T07:30:52.121501Z"},"content_sha256":"313c01f459f8da7b7f8148f4c07536443c5186a3549a117dedcd5de9e33e9f59","schema_version":"1.0","event_id":"sha256:313c01f459f8da7b7f8148f4c07536443c5186a3549a117dedcd5de9e33e9f59"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:DAONWX2MIWTSBOSS4GBGFFMEAF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detection of Gamma-ray Emission from the Eta-Carinae Region","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Argan, A. Bulgarelli, A. Ferrari, A. Giuliani, A. Morselli, A. Pellizzoni, A. Rappoldi, A. Rubini, A. Trois, A. W. Chen, A. Zambra, C. Labanti, C. Pittori, D. Zanello, E. Costa, E. Del Monte, E. Morelli, E. Moretti, E. Pian, E. Vallazza, F. Boffelli, F. D'Ammando, F. Fuschino, F. Gianotti, F. Lazzarotto, F. Longo, F. Perotti, F. Verrecchia, G. Barbiellini, G. De Paris, G. Di Cocco, G. Piano, G. Porrovecchio, G. Pucella, I. Donnarumma, I. Lapshov, L.A. Antonelli, L. Pacciani, L. Salotti, M.F. Corcoran, M. Feroci, M. Fiorini, M. Galli, M. Marisaldi, M. Mastropietro, M. Pilia, M. Prest, M. Rapisarda, M. Tavani, M. Trifoglio, P. Caraveo, P. Giommi, P. Lipari, P. Picozza, P. Santolamazza, P. Soffitta, P. W. Cattaneo, R.F. Viotti, S. Colafrancesco, S. Mereghetti, S. Sabatini, S. Vercellone, T. Froysland, V. Cocco, V. Vittorini, Y. Evangelista","submitted_at":"2009-04-17T15:40:37Z","abstract_excerpt":"We present the results of extensive observations by the gamma-ray AGILE satellite of the Galactic region hosting the Carina nebula and the remarkable colliding wind binary Eta Carinae (Eta Car) during the period 2007 July to 2009 January. We detect a gamma-ray source (1AGL J1043-5931) consistent with the position of Eta Car. If 1AGL J1043-5931 is associated with the Eta Car system our data provide the long sought first detection above 100 MeV of a colliding wind binary. The average gamma-ray flux above 100 MeV and integrated over the pre-periastron period 2007 July to 2008 October is F = (37 +"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.2736","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/0904.2736/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":"2026-07-04T15:48:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZQsDL9EZeeDFhfoV9anX4uZoPOPMpYlhxFsqbEFLzreZykdOnpjTXeJwKYd16zwjjtDI81wH37M0JikueUqUAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T07:30:52.121903Z"},"content_sha256":"4e81b15c1fc4df798ac2a993375291dae61a399cc2f14003fe71b754a0dac0fe","schema_version":"1.0","event_id":"sha256:4e81b15c1fc4df798ac2a993375291dae61a399cc2f14003fe71b754a0dac0fe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DAONWX2MIWTSBOSS4GBGFFMEAF/bundle.json","state_url":"https://pith.science/pith/DAONWX2MIWTSBOSS4GBGFFMEAF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DAONWX2MIWTSBOSS4GBGFFMEAF/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":"2026-07-08T07:30:52Z","links":{"resolver":"https://pith.science/pith/DAONWX2MIWTSBOSS4GBGFFMEAF","bundle":"https://pith.science/pith/DAONWX2MIWTSBOSS4GBGFFMEAF/bundle.json","state":"https://pith.science/pith/DAONWX2MIWTSBOSS4GBGFFMEAF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DAONWX2MIWTSBOSS4GBGFFMEAF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:DAONWX2MIWTSBOSS4GBGFFMEAF","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":"bbd822a45729bbf17e53792e05f4150f3b4c94b8d78895342570e0af9f87c852","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-04-17T15:40:37Z","title_canon_sha256":"a57bbae7f0816a3cad010d3af75119b34f8d757033725586dce9e64a6c7987a3"},"schema_version":"1.0","source":{"id":"0904.2736","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.2736","created_at":"2026-07-04T15:48:38Z"},{"alias_kind":"arxiv_version","alias_value":"0904.2736v2","created_at":"2026-07-04T15:48:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.2736","created_at":"2026-07-04T15:48:38Z"},{"alias_kind":"pith_short_12","alias_value":"DAONWX2MIWTS","created_at":"2026-07-04T15:48:38Z"},{"alias_kind":"pith_short_16","alias_value":"DAONWX2MIWTSBOSS","created_at":"2026-07-04T15:48:38Z"},{"alias_kind":"pith_short_8","alias_value":"DAONWX2M","created_at":"2026-07-04T15:48:38Z"}],"graph_snapshots":[{"event_id":"sha256:4e81b15c1fc4df798ac2a993375291dae61a399cc2f14003fe71b754a0dac0fe","target":"graph","created_at":"2026-07-04T15:48:38Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0904.2736/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the results of extensive observations by the gamma-ray AGILE satellite of the Galactic region hosting the Carina nebula and the remarkable colliding wind binary Eta Carinae (Eta Car) during the period 2007 July to 2009 January. We detect a gamma-ray source (1AGL J1043-5931) consistent with the position of Eta Car. If 1AGL J1043-5931 is associated with the Eta Car system our data provide the long sought first detection above 100 MeV of a colliding wind binary. The average gamma-ray flux above 100 MeV and integrated over the pre-periastron period 2007 July to 2008 October is F = (37 +","authors_text":"A. Argan, A. Bulgarelli, A. Ferrari, A. Giuliani, A. Morselli, A. Pellizzoni, A. Rappoldi, A. Rubini, A. Trois, A. W. Chen, A. Zambra, C. Labanti, C. Pittori, D. Zanello, E. Costa, E. Del Monte, E. Morelli, E. Moretti, E. Pian, E. Vallazza, F. Boffelli, F. D'Ammando, F. Fuschino, F. Gianotti, F. Lazzarotto, F. Longo, F. Perotti, F. Verrecchia, G. Barbiellini, G. De Paris, G. Di Cocco, G. Piano, G. Porrovecchio, G. Pucella, I. Donnarumma, I. Lapshov, L.A. Antonelli, L. Pacciani, L. Salotti, M.F. Corcoran, M. Feroci, M. Fiorini, M. Galli, M. Marisaldi, M. Mastropietro, M. Pilia, M. Prest, M. Rapisarda, M. Tavani, M. Trifoglio, P. Caraveo, P. Giommi, P. Lipari, P. Picozza, P. Santolamazza, P. Soffitta, P. W. Cattaneo, R.F. Viotti, S. Colafrancesco, S. Mereghetti, S. Sabatini, S. Vercellone, T. Froysland, V. Cocco, V. Vittorini, Y. Evangelista","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-04-17T15:40:37Z","title":"Detection of Gamma-ray Emission from the Eta-Carinae Region"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.2736","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":"sha256:313c01f459f8da7b7f8148f4c07536443c5186a3549a117dedcd5de9e33e9f59","target":"record","created_at":"2026-07-04T15:48:38Z","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":"bbd822a45729bbf17e53792e05f4150f3b4c94b8d78895342570e0af9f87c852","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-04-17T15:40:37Z","title_canon_sha256":"a57bbae7f0816a3cad010d3af75119b34f8d757033725586dce9e64a6c7987a3"},"schema_version":"1.0","source":{"id":"0904.2736","kind":"arxiv","version":2}},"canonical_sha256":"181cdb5f4c45a720ba52e1826295840159d2a79bddbf1ff20509600ae3d0f456","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"181cdb5f4c45a720ba52e1826295840159d2a79bddbf1ff20509600ae3d0f456","first_computed_at":"2026-07-04T15:48:38.003028Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:48:38.003028Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"85msyzgVaGDUQ+RnhFEQz4R2wjSznra479VfWtPebE6juhH2uQ8IiYQKEIpy8JGKYyh8Wpk/GbnqMfdatUZICQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:48:38.003474Z","signed_message":"canonical_sha256_bytes"},"source_id":"0904.2736","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:313c01f459f8da7b7f8148f4c07536443c5186a3549a117dedcd5de9e33e9f59","sha256:4e81b15c1fc4df798ac2a993375291dae61a399cc2f14003fe71b754a0dac0fe"],"state_sha256":"9d7acc44f730bcc1ac8d256fb4b09a7c8a19f6a275183760b8289ca47819e69c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"alLjXnpW62RqQfqeAYWsManbtwvXt51KMyH8ge8t4mIfU6zNXW19OfzW3y0RPnnlsmk+eBQhCpw8tLpC80+CCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T07:30:52.124232Z","bundle_sha256":"3315c3dcb7fa1ea91b4a9d942fe4ee0011caa67660c5013b93b1292d193bcdd4"}}