{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:235Z3TCKDVW5TURUM7FAM4FQ7D","short_pith_number":"pith:235Z3TCK","canonical_record":{"source":{"id":"astro-ph/0008016","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-08-01T11:38:04Z","cross_cats_sorted":[],"title_canon_sha256":"46fb00e7110eca3f814b99c5d822b89fceedcba7d8ced1e1c9113f6a9ef7a0f6","abstract_canon_sha256":"2fb7edad83a8a08a7c355f2fdf596b49850ebe044d33c7266ff67bc09992d73f"},"schema_version":"1.0"},"canonical_sha256":"d6fb9dcc4a1d6dd9d23467ca0670b0f8dbee4c30bfc86daa79f230acaa48738a","source":{"kind":"arxiv","id":"astro-ph/0008016","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0008016","created_at":"2026-07-04T16:16:58Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0008016v1","created_at":"2026-07-04T16:16:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0008016","created_at":"2026-07-04T16:16:58Z"},{"alias_kind":"pith_short_12","alias_value":"235Z3TCKDVW5","created_at":"2026-07-04T16:16:58Z"},{"alias_kind":"pith_short_16","alias_value":"235Z3TCKDVW5TURU","created_at":"2026-07-04T16:16:58Z"},{"alias_kind":"pith_short_8","alias_value":"235Z3TCK","created_at":"2026-07-04T16:16:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:235Z3TCKDVW5TURUM7FAM4FQ7D","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0008016","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-08-01T11:38:04Z","cross_cats_sorted":[],"title_canon_sha256":"46fb00e7110eca3f814b99c5d822b89fceedcba7d8ced1e1c9113f6a9ef7a0f6","abstract_canon_sha256":"2fb7edad83a8a08a7c355f2fdf596b49850ebe044d33c7266ff67bc09992d73f"},"schema_version":"1.0"},"canonical_sha256":"d6fb9dcc4a1d6dd9d23467ca0670b0f8dbee4c30bfc86daa79f230acaa48738a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:16:58.837468Z","signature_b64":"WFzAcOqyrZ0Jhj/x4vX36IG+3KPIY80ioX81sYqgfwrHS2ZjTBI57sT/3P5b3VYq913wvZJmmRARHDGbZzz5AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6fb9dcc4a1d6dd9d23467ca0670b0f8dbee4c30bfc86daa79f230acaa48738a","last_reissued_at":"2026-07-04T16:16:58.837092Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:16:58.837092Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0008016","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":"2026-07-04T16:16:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xkahuLFCrY147I3pNehmFFw1ZbCBtQOCFWnBYgCN4zXbN69e/zYmY0d6mm56hPv3os450eJvO+MraAYpw/zkCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T23:18:20.915893Z"},"content_sha256":"d0d0f3b4321e120cee5f582009cd7c96d99271d5ee4d86661dc26777009b36b9","schema_version":"1.0","event_id":"sha256:d0d0f3b4321e120cee5f582009cd7c96d99271d5ee4d86661dc26777009b36b9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:235Z3TCKDVW5TURUM7FAM4FQ7D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical Spectroscopy of GX339-4 during the High-Soft and Low-Hard States II: Line Ionisation and Emission Region","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Helen M. Johnston, Kinwah Wu, Richard W. Hunstead, Roberto Soria","submitted_at":"2000-08-01T11:38:04Z","abstract_excerpt":"We have carried out observations of the X-ray transient GX339-4 during its high-soft and low-hard X-ray spectral states. Our high-resolution spectroscopic observation in 1999 April suggests that the H-alpha line has a single-peaked profile in the low-hard state as speculated in our previous paper. The HeII 4686 line, however, has a double-peaked profile in both the high-soft and low-hard states. This suggests that the line-emission mechanism is different in the two states. Our interpretation is that double-peaked lines are emitted from a temperature-inversion layer on the accretion-disk surfac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0008016","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0008016/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":"2026-07-04T16:16:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"86xrsPW996rz/5QtazBvBiJEEnasFnRNoLENkTV7YmdgGHucYDF5D/bAKjWiP6vCOAiqpopbm7yBuPNDOMRtDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T23:18:20.916279Z"},"content_sha256":"81c4309510b3cd282e8d93a6f7f2861d590fe35e51a3d76adab749c82cc77dfe","schema_version":"1.0","event_id":"sha256:81c4309510b3cd282e8d93a6f7f2861d590fe35e51a3d76adab749c82cc77dfe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/235Z3TCKDVW5TURUM7FAM4FQ7D/bundle.json","state_url":"https://pith.science/pith/235Z3TCKDVW5TURUM7FAM4FQ7D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/235Z3TCKDVW5TURUM7FAM4FQ7D/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":"2026-07-04T23:18:20Z","links":{"resolver":"https://pith.science/pith/235Z3TCKDVW5TURUM7FAM4FQ7D","bundle":"https://pith.science/pith/235Z3TCKDVW5TURUM7FAM4FQ7D/bundle.json","state":"https://pith.science/pith/235Z3TCKDVW5TURUM7FAM4FQ7D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/235Z3TCKDVW5TURUM7FAM4FQ7D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:235Z3TCKDVW5TURUM7FAM4FQ7D","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":"2fb7edad83a8a08a7c355f2fdf596b49850ebe044d33c7266ff67bc09992d73f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-08-01T11:38:04Z","title_canon_sha256":"46fb00e7110eca3f814b99c5d822b89fceedcba7d8ced1e1c9113f6a9ef7a0f6"},"schema_version":"1.0","source":{"id":"astro-ph/0008016","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0008016","created_at":"2026-07-04T16:16:58Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0008016v1","created_at":"2026-07-04T16:16:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0008016","created_at":"2026-07-04T16:16:58Z"},{"alias_kind":"pith_short_12","alias_value":"235Z3TCKDVW5","created_at":"2026-07-04T16:16:58Z"},{"alias_kind":"pith_short_16","alias_value":"235Z3TCKDVW5TURU","created_at":"2026-07-04T16:16:58Z"},{"alias_kind":"pith_short_8","alias_value":"235Z3TCK","created_at":"2026-07-04T16:16:58Z"}],"graph_snapshots":[{"event_id":"sha256:81c4309510b3cd282e8d93a6f7f2861d590fe35e51a3d76adab749c82cc77dfe","target":"graph","created_at":"2026-07-04T16:16:58Z","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/astro-ph/0008016/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have carried out observations of the X-ray transient GX339-4 during its high-soft and low-hard X-ray spectral states. Our high-resolution spectroscopic observation in 1999 April suggests that the H-alpha line has a single-peaked profile in the low-hard state as speculated in our previous paper. The HeII 4686 line, however, has a double-peaked profile in both the high-soft and low-hard states. This suggests that the line-emission mechanism is different in the two states. Our interpretation is that double-peaked lines are emitted from a temperature-inversion layer on the accretion-disk surfac","authors_text":"Helen M. Johnston, Kinwah Wu, Richard W. Hunstead, Roberto Soria","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2000-08-01T11:38:04Z","title":"Optical Spectroscopy of GX339-4 during the High-Soft and Low-Hard States II: Line Ionisation and Emission Region"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0008016","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:d0d0f3b4321e120cee5f582009cd7c96d99271d5ee4d86661dc26777009b36b9","target":"record","created_at":"2026-07-04T16:16:58Z","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":"2fb7edad83a8a08a7c355f2fdf596b49850ebe044d33c7266ff67bc09992d73f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-08-01T11:38:04Z","title_canon_sha256":"46fb00e7110eca3f814b99c5d822b89fceedcba7d8ced1e1c9113f6a9ef7a0f6"},"schema_version":"1.0","source":{"id":"astro-ph/0008016","kind":"arxiv","version":1}},"canonical_sha256":"d6fb9dcc4a1d6dd9d23467ca0670b0f8dbee4c30bfc86daa79f230acaa48738a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d6fb9dcc4a1d6dd9d23467ca0670b0f8dbee4c30bfc86daa79f230acaa48738a","first_computed_at":"2026-07-04T16:16:58.837092Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:16:58.837092Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WFzAcOqyrZ0Jhj/x4vX36IG+3KPIY80ioX81sYqgfwrHS2ZjTBI57sT/3P5b3VYq913wvZJmmRARHDGbZzz5AA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:16:58.837468Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0008016","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d0d0f3b4321e120cee5f582009cd7c96d99271d5ee4d86661dc26777009b36b9","sha256:81c4309510b3cd282e8d93a6f7f2861d590fe35e51a3d76adab749c82cc77dfe"],"state_sha256":"a3846573e1897a231df465f9a951f0afe72087c4f4c271e4c4a92a7602d2fb61"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2GvFFwjHF53OR+0Gm7qWAq/CXKWvQlUq8CdOptrle7zW6JteFbz1dd5ovYai6V8a1oXbsSPBoWplXr31aOGYAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T23:18:20.918289Z","bundle_sha256":"9e5b0ee0ef30f2b3504ef0bf7cfee66e08b108690ed60df1af6962c64a8ea925"}}