{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:DTETQ5SJBY5UKNTLCBTORMVG4W","short_pith_number":"pith:DTETQ5SJ","canonical_record":{"source":{"id":"1708.07886","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-21T12:49:09Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"a5f18d112e8d9dfefcf59c8fb1f9f4b85f45c168fd6a239972f1d92514a8bac6","abstract_canon_sha256":"a9e270a5d89794e58310d63a9b7e2828c5a0efc19e4810ae95f6c52949df0397"},"schema_version":"1.0"},"canonical_sha256":"1cc93876490e3b45366b1066e8b2a6e5b219a96a5834098494bd4bc90b45dcc3","source":{"kind":"arxiv","id":"1708.07886","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.07886","created_at":"2026-05-18T00:33:48Z"},{"alias_kind":"arxiv_version","alias_value":"1708.07886v1","created_at":"2026-05-18T00:33:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.07886","created_at":"2026-05-18T00:33:48Z"},{"alias_kind":"pith_short_12","alias_value":"DTETQ5SJBY5U","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"DTETQ5SJBY5UKNTL","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"DTETQ5SJ","created_at":"2026-05-18T12:31:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:DTETQ5SJBY5UKNTLCBTORMVG4W","target":"record","payload":{"canonical_record":{"source":{"id":"1708.07886","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-21T12:49:09Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"a5f18d112e8d9dfefcf59c8fb1f9f4b85f45c168fd6a239972f1d92514a8bac6","abstract_canon_sha256":"a9e270a5d89794e58310d63a9b7e2828c5a0efc19e4810ae95f6c52949df0397"},"schema_version":"1.0"},"canonical_sha256":"1cc93876490e3b45366b1066e8b2a6e5b219a96a5834098494bd4bc90b45dcc3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:48.557836Z","signature_b64":"rLNG1vC2Nrf+He8GRB2fB8xWZ57qeuna5IqRZz1g5QncWu6WLY8cch3aTZBz2uodcQQK/2wNzkL8hyetNQrXAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1cc93876490e3b45366b1066e8b2a6e5b219a96a5834098494bd4bc90b45dcc3","last_reissued_at":"2026-05-18T00:33:48.557200Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:48.557200Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.07886","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":"2026-05-18T00:33:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o5sc4/UotaPrBm3S0ZlFlK3WZxcFIy489wPR1du/HxANfQR2H7yPefVQW0A7EK5AOuj4vDaQAWanRleFaCvPDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T01:32:58.617270Z"},"content_sha256":"da4cabfc32b55699b89a94c6fb1e2931ad5d21e82a92b329e926e4398abcc009","schema_version":"1.0","event_id":"sha256:da4cabfc32b55699b89a94c6fb1e2931ad5d21e82a92b329e926e4398abcc009"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:DTETQ5SJBY5UKNTLCBTORMVG4W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The orbit of the gamma-ray binary 1FGL J1018.6-5856","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Alexei Kniazev, Itumeleng Monageng, Lee Townsend, Markus B\\\"ottcher, Shazrene Mohamed, Vanessa McBride","submitted_at":"2017-08-21T12:49:09Z","abstract_excerpt":"Gamma-ray binaries are a small subclass of the high mass X-ray binary population which exhibit emission across the whole electromagnetic spectrum. We present radial velocities of 1FGL J1018.6$-$5856 based on observations obtained with the Southern African Large Telescope (SALT). We combine our measurements with those published in the literature to get a broad phase coverage. The mass function obtained supports a neutron star compact object, although a black hole mass is possible for very low inclination angles. The improved phase coverage allows constraints to be placed on the orbital eccentri"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.07886","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":"2026-05-18T00:33:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"elGTxKPWS1DRtPjI5aNAGut0yP7QlK4FZP5D1uEkpL8fZ0E5ZLtFCP4CU1oSiZ9EM1QifyRxPBckIts8CwnIAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T01:32:58.617634Z"},"content_sha256":"4b03f192d6dc6aaa67e98099942dd09c76c3bcf61fea3b397ddad50a384de435","schema_version":"1.0","event_id":"sha256:4b03f192d6dc6aaa67e98099942dd09c76c3bcf61fea3b397ddad50a384de435"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DTETQ5SJBY5UKNTLCBTORMVG4W/bundle.json","state_url":"https://pith.science/pith/DTETQ5SJBY5UKNTLCBTORMVG4W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DTETQ5SJBY5UKNTLCBTORMVG4W/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":"2026-06-03T01:32:58Z","links":{"resolver":"https://pith.science/pith/DTETQ5SJBY5UKNTLCBTORMVG4W","bundle":"https://pith.science/pith/DTETQ5SJBY5UKNTLCBTORMVG4W/bundle.json","state":"https://pith.science/pith/DTETQ5SJBY5UKNTLCBTORMVG4W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DTETQ5SJBY5UKNTLCBTORMVG4W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:DTETQ5SJBY5UKNTLCBTORMVG4W","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":"a9e270a5d89794e58310d63a9b7e2828c5a0efc19e4810ae95f6c52949df0397","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-21T12:49:09Z","title_canon_sha256":"a5f18d112e8d9dfefcf59c8fb1f9f4b85f45c168fd6a239972f1d92514a8bac6"},"schema_version":"1.0","source":{"id":"1708.07886","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.07886","created_at":"2026-05-18T00:33:48Z"},{"alias_kind":"arxiv_version","alias_value":"1708.07886v1","created_at":"2026-05-18T00:33:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.07886","created_at":"2026-05-18T00:33:48Z"},{"alias_kind":"pith_short_12","alias_value":"DTETQ5SJBY5U","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"DTETQ5SJBY5UKNTL","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"DTETQ5SJ","created_at":"2026-05-18T12:31:12Z"}],"graph_snapshots":[{"event_id":"sha256:4b03f192d6dc6aaa67e98099942dd09c76c3bcf61fea3b397ddad50a384de435","target":"graph","created_at":"2026-05-18T00:33:48Z","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":"Gamma-ray binaries are a small subclass of the high mass X-ray binary population which exhibit emission across the whole electromagnetic spectrum. We present radial velocities of 1FGL J1018.6$-$5856 based on observations obtained with the Southern African Large Telescope (SALT). We combine our measurements with those published in the literature to get a broad phase coverage. The mass function obtained supports a neutron star compact object, although a black hole mass is possible for very low inclination angles. The improved phase coverage allows constraints to be placed on the orbital eccentri","authors_text":"Alexei Kniazev, Itumeleng Monageng, Lee Townsend, Markus B\\\"ottcher, Shazrene Mohamed, Vanessa McBride","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-21T12:49:09Z","title":"The orbit of the gamma-ray binary 1FGL J1018.6-5856"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.07886","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:da4cabfc32b55699b89a94c6fb1e2931ad5d21e82a92b329e926e4398abcc009","target":"record","created_at":"2026-05-18T00:33:48Z","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":"a9e270a5d89794e58310d63a9b7e2828c5a0efc19e4810ae95f6c52949df0397","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-21T12:49:09Z","title_canon_sha256":"a5f18d112e8d9dfefcf59c8fb1f9f4b85f45c168fd6a239972f1d92514a8bac6"},"schema_version":"1.0","source":{"id":"1708.07886","kind":"arxiv","version":1}},"canonical_sha256":"1cc93876490e3b45366b1066e8b2a6e5b219a96a5834098494bd4bc90b45dcc3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1cc93876490e3b45366b1066e8b2a6e5b219a96a5834098494bd4bc90b45dcc3","first_computed_at":"2026-05-18T00:33:48.557200Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:33:48.557200Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rLNG1vC2Nrf+He8GRB2fB8xWZ57qeuna5IqRZz1g5QncWu6WLY8cch3aTZBz2uodcQQK/2wNzkL8hyetNQrXAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:33:48.557836Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.07886","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da4cabfc32b55699b89a94c6fb1e2931ad5d21e82a92b329e926e4398abcc009","sha256:4b03f192d6dc6aaa67e98099942dd09c76c3bcf61fea3b397ddad50a384de435"],"state_sha256":"5da293e7000ca2f40f2f2bb6252a0a92044489c5f6277608ac9d7ac2f44f5da3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cdh3MTkmOpFJ7SX3voAJhjVXoG/+xnn9CmoDHs4KwsrbWTChrJfOFDyyM8xZ/8q/V10OBb/7HsMY8mjpTEW/Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T01:32:58.619753Z","bundle_sha256":"30f0f89a9240bec5b1dc336bf924bba567d0394f63dcf2520168db419b0a6354"}}