{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:J3TU5KWOYNXR5HKMPV2V4C4AA4","short_pith_number":"pith:J3TU5KWO","canonical_record":{"source":{"id":"1004.2059","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-04-12T21:07:22Z","cross_cats_sorted":[],"title_canon_sha256":"6fcfc8406b85ed4a4657136a4208f3e7823cf305c21c6b11eeba71714ab5f206","abstract_canon_sha256":"bfed764eadf5a479bfb0f52851bbdb78bc0cd60db1c441cc8629032b38b8648d"},"schema_version":"1.0"},"canonical_sha256":"4ee74eaacec36f1e9d4c7d755e0b80070cd562b968cca572c5a2d1eb33740325","source":{"kind":"arxiv","id":"1004.2059","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.2059","created_at":"2026-05-18T02:08:06Z"},{"alias_kind":"arxiv_version","alias_value":"1004.2059v2","created_at":"2026-05-18T02:08:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.2059","created_at":"2026-05-18T02:08:06Z"},{"alias_kind":"pith_short_12","alias_value":"J3TU5KWOYNXR","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"J3TU5KWOYNXR5HKM","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"J3TU5KWO","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:J3TU5KWOYNXR5HKMPV2V4C4AA4","target":"record","payload":{"canonical_record":{"source":{"id":"1004.2059","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-04-12T21:07:22Z","cross_cats_sorted":[],"title_canon_sha256":"6fcfc8406b85ed4a4657136a4208f3e7823cf305c21c6b11eeba71714ab5f206","abstract_canon_sha256":"bfed764eadf5a479bfb0f52851bbdb78bc0cd60db1c441cc8629032b38b8648d"},"schema_version":"1.0"},"canonical_sha256":"4ee74eaacec36f1e9d4c7d755e0b80070cd562b968cca572c5a2d1eb33740325","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:08:06.419905Z","signature_b64":"IgXra5PAdPBruGBB5UnQ3Np14GILGc+kwP6JIEmmEiOysCFzOxv375mhS8Hh1Vs+HuedmUzTu2+h27mwLa/4AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ee74eaacec36f1e9d4c7d755e0b80070cd562b968cca572c5a2d1eb33740325","last_reissued_at":"2026-05-18T02:08:06.419037Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:08:06.419037Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1004.2059","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":"2026-05-18T02:08:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dTIRnHs0MPtft93XIZK6W1KVOyz6h/bjeO9Kfz3VL2PYOI/Kmcbg1E3x1VBEwZeZcUOAjHjj0C87jrQ0PyCwDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:01:53.352293Z"},"content_sha256":"ade54475fe6b484b76747ae160ecc7adb0a2a86a8c51dce4412026559b37523b","schema_version":"1.0","event_id":"sha256:ade54475fe6b484b76747ae160ecc7adb0a2a86a8c51dce4412026559b37523b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:J3TU5KWOYNXR5HKMPV2V4C4AA4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The supergiant fast X-ray transients XTE J1739-302 and IGR J08408-4503 in quiescence with XMM-Newton","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Giunta, C. Ferrigno, E. Bozzo, G. Israel, J.C. Leyder, L. Stella, M. Falanga, S. Campana","submitted_at":"2010-04-12T21:07:22Z","abstract_excerpt":"Context. Supergiant fast X-ray transients are a subclass of high mass X-ray binaries that host a neutron star accreting mass from the wind of its OB supergiant companion. They are characterized by an extremely pronounced and rapid variability in X-rays, which still lacks an unambiguous interpretation. A number of deep pointed observations with XMM-Newton have been carried out to study the quiescent emission of these sources and gain insight into the mechanism that causes their X-ray variability. Aims. We continued this study by using three XMM-Newton observations of the two supergiant fast X-r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.2059","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":""},"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":"2026-05-18T02:08:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0yRZ+Cgwz4Z8viJwLfT7iHrwkdSM1pLcAS+6KIprbIFuh72ykRSp/+Ly4IMLS36ISkxEWS+kXog7xStczfnrCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:01:53.352758Z"},"content_sha256":"06209b5ae03496c24208925a7541229b898c506483dddcdace4d3200982d5814","schema_version":"1.0","event_id":"sha256:06209b5ae03496c24208925a7541229b898c506483dddcdace4d3200982d5814"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J3TU5KWOYNXR5HKMPV2V4C4AA4/bundle.json","state_url":"https://pith.science/pith/J3TU5KWOYNXR5HKMPV2V4C4AA4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J3TU5KWOYNXR5HKMPV2V4C4AA4/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":"2026-05-30T11:01:53Z","links":{"resolver":"https://pith.science/pith/J3TU5KWOYNXR5HKMPV2V4C4AA4","bundle":"https://pith.science/pith/J3TU5KWOYNXR5HKMPV2V4C4AA4/bundle.json","state":"https://pith.science/pith/J3TU5KWOYNXR5HKMPV2V4C4AA4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J3TU5KWOYNXR5HKMPV2V4C4AA4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:J3TU5KWOYNXR5HKMPV2V4C4AA4","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":"bfed764eadf5a479bfb0f52851bbdb78bc0cd60db1c441cc8629032b38b8648d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-04-12T21:07:22Z","title_canon_sha256":"6fcfc8406b85ed4a4657136a4208f3e7823cf305c21c6b11eeba71714ab5f206"},"schema_version":"1.0","source":{"id":"1004.2059","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.2059","created_at":"2026-05-18T02:08:06Z"},{"alias_kind":"arxiv_version","alias_value":"1004.2059v2","created_at":"2026-05-18T02:08:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.2059","created_at":"2026-05-18T02:08:06Z"},{"alias_kind":"pith_short_12","alias_value":"J3TU5KWOYNXR","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"J3TU5KWOYNXR5HKM","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"J3TU5KWO","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:06209b5ae03496c24208925a7541229b898c506483dddcdace4d3200982d5814","target":"graph","created_at":"2026-05-18T02:08:06Z","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":"Context. Supergiant fast X-ray transients are a subclass of high mass X-ray binaries that host a neutron star accreting mass from the wind of its OB supergiant companion. They are characterized by an extremely pronounced and rapid variability in X-rays, which still lacks an unambiguous interpretation. A number of deep pointed observations with XMM-Newton have been carried out to study the quiescent emission of these sources and gain insight into the mechanism that causes their X-ray variability. Aims. We continued this study by using three XMM-Newton observations of the two supergiant fast X-r","authors_text":"A. Giunta, C. Ferrigno, E. Bozzo, G. Israel, J.C. Leyder, L. Stella, M. Falanga, S. Campana","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-04-12T21:07:22Z","title":"The supergiant fast X-ray transients XTE J1739-302 and IGR J08408-4503 in quiescence with XMM-Newton"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.2059","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:ade54475fe6b484b76747ae160ecc7adb0a2a86a8c51dce4412026559b37523b","target":"record","created_at":"2026-05-18T02:08:06Z","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":"bfed764eadf5a479bfb0f52851bbdb78bc0cd60db1c441cc8629032b38b8648d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-04-12T21:07:22Z","title_canon_sha256":"6fcfc8406b85ed4a4657136a4208f3e7823cf305c21c6b11eeba71714ab5f206"},"schema_version":"1.0","source":{"id":"1004.2059","kind":"arxiv","version":2}},"canonical_sha256":"4ee74eaacec36f1e9d4c7d755e0b80070cd562b968cca572c5a2d1eb33740325","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ee74eaacec36f1e9d4c7d755e0b80070cd562b968cca572c5a2d1eb33740325","first_computed_at":"2026-05-18T02:08:06.419037Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:08:06.419037Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IgXra5PAdPBruGBB5UnQ3Np14GILGc+kwP6JIEmmEiOysCFzOxv375mhS8Hh1Vs+HuedmUzTu2+h27mwLa/4AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:08:06.419905Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.2059","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ade54475fe6b484b76747ae160ecc7adb0a2a86a8c51dce4412026559b37523b","sha256:06209b5ae03496c24208925a7541229b898c506483dddcdace4d3200982d5814"],"state_sha256":"ca695de205704e0342c84a1834ae7b3b34d3142443ea1d739c19bee6d1026512"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AoBgndwc0AyGtaLsgPe11DGNZF7j9ar0URoSoKzQ7LeYe0Ffln+oZ9bGv1tCHyWIG44fSThAj0papRsV3M+bCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T11:01:53.356104Z","bundle_sha256":"e22c3cc046a017d9c644d265a2a8615d0af4c5e34f52c0b3d185f629bb70c0f5"}}