{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:636TF5PW5OTEWIB3FPPAFLK6TV","short_pith_number":"pith:636TF5PW","canonical_record":{"source":{"id":"1810.12958","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-10-30T18:37:07Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"ecea560632c32189015fef238783b81d4f1bd5d665f9130262fc4dedd1ea2b90","abstract_canon_sha256":"f45ddc3ac625e9fd0c43c1f8a01a5b2e8b976548bd5670ea5e2c84c8c740a11f"},"schema_version":"1.0"},"canonical_sha256":"f6fd32f5f6eba64b203b2bde02ad5e9d44f0d7d0e61cb537ed65f7a0c52de7c6","source":{"kind":"arxiv","id":"1810.12958","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.12958","created_at":"2026-05-17T23:57:37Z"},{"alias_kind":"arxiv_version","alias_value":"1810.12958v1","created_at":"2026-05-17T23:57:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.12958","created_at":"2026-05-17T23:57:37Z"},{"alias_kind":"pith_short_12","alias_value":"636TF5PW5OTE","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"636TF5PW5OTEWIB3","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"636TF5PW","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:636TF5PW5OTEWIB3FPPAFLK6TV","target":"record","payload":{"canonical_record":{"source":{"id":"1810.12958","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-10-30T18:37:07Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"ecea560632c32189015fef238783b81d4f1bd5d665f9130262fc4dedd1ea2b90","abstract_canon_sha256":"f45ddc3ac625e9fd0c43c1f8a01a5b2e8b976548bd5670ea5e2c84c8c740a11f"},"schema_version":"1.0"},"canonical_sha256":"f6fd32f5f6eba64b203b2bde02ad5e9d44f0d7d0e61cb537ed65f7a0c52de7c6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:37.861726Z","signature_b64":"zxRySYNAXJZv+jrSk/sN7Hzj7ov37mVCgr1GXWGC3u+tzXRTAGYfs8pefHXpqfsaGNI5L2jH2m5Sgncm4cB9Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f6fd32f5f6eba64b203b2bde02ad5e9d44f0d7d0e61cb537ed65f7a0c52de7c6","last_reissued_at":"2026-05-17T23:57:37.861156Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:37.861156Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.12958","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":"2026-05-17T23:57:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LHya3ZdgIpAz1fmETGo0dnHClZ+WcXslLgnelydtATS5FcAv/lw9YA0sG4dokPyzSZRqQR8+1Z37osZ/iPkfCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T16:28:19.786517Z"},"content_sha256":"b80599cdd6c7d02f663f004aa02ca8b0bd4d5ee0236ebfe713984c6a55189231","schema_version":"1.0","event_id":"sha256:b80599cdd6c7d02f663f004aa02ca8b0bd4d5ee0236ebfe713984c6a55189231"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:636TF5PW5OTEWIB3FPPAFLK6TV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pressure Balance and Intrabinary Shock Stability in Rotation-Powered State Redback and Transitional Millisecond Pulsar Binary Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Alice K. Harding, Christo Venter, Markus B\\\"ottcher, Patrick Kilian, Zorawar Wadiasingh","submitted_at":"2018-10-30T18:37:07Z","abstract_excerpt":"A number of low-mass millisecond pulsar (MSP) binaries in their rotation-powered state exhibit double-peaked X-ray orbital modulation centered at inferior pulsar conjunction. This state, which has been known to persist for years, has recently been interpreted as emission from a shock that enshrouds the pulsar. However, the pressure balance for such a configuration is a crucial unresolved issue. We consider two scenarios for pressure balance: a companion magnetosphere and stellar mass loss with gas dominance. It is found that the magnetospheric scenario requires several kilogauss poloidal field"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.12958","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":"2026-05-17T23:57:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"inawPr7o91bMDtnymEv0h9bHHoBRfZsLryoDq+iJbxGmGPiNubGNzvoDmaaJNslSH7UKrIX7X8y6Bb18dcfVBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T16:28:19.786889Z"},"content_sha256":"2d97d6582d90f69c0ebdb5ea26628ef943f5a40cbfa2830a5f02225cc5853d6f","schema_version":"1.0","event_id":"sha256:2d97d6582d90f69c0ebdb5ea26628ef943f5a40cbfa2830a5f02225cc5853d6f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/636TF5PW5OTEWIB3FPPAFLK6TV/bundle.json","state_url":"https://pith.science/pith/636TF5PW5OTEWIB3FPPAFLK6TV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/636TF5PW5OTEWIB3FPPAFLK6TV/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":"2026-05-19T16:28:19Z","links":{"resolver":"https://pith.science/pith/636TF5PW5OTEWIB3FPPAFLK6TV","bundle":"https://pith.science/pith/636TF5PW5OTEWIB3FPPAFLK6TV/bundle.json","state":"https://pith.science/pith/636TF5PW5OTEWIB3FPPAFLK6TV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/636TF5PW5OTEWIB3FPPAFLK6TV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:636TF5PW5OTEWIB3FPPAFLK6TV","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":"f45ddc3ac625e9fd0c43c1f8a01a5b2e8b976548bd5670ea5e2c84c8c740a11f","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-10-30T18:37:07Z","title_canon_sha256":"ecea560632c32189015fef238783b81d4f1bd5d665f9130262fc4dedd1ea2b90"},"schema_version":"1.0","source":{"id":"1810.12958","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.12958","created_at":"2026-05-17T23:57:37Z"},{"alias_kind":"arxiv_version","alias_value":"1810.12958v1","created_at":"2026-05-17T23:57:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.12958","created_at":"2026-05-17T23:57:37Z"},{"alias_kind":"pith_short_12","alias_value":"636TF5PW5OTE","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"636TF5PW5OTEWIB3","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"636TF5PW","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:2d97d6582d90f69c0ebdb5ea26628ef943f5a40cbfa2830a5f02225cc5853d6f","target":"graph","created_at":"2026-05-17T23:57:37Z","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":"A number of low-mass millisecond pulsar (MSP) binaries in their rotation-powered state exhibit double-peaked X-ray orbital modulation centered at inferior pulsar conjunction. This state, which has been known to persist for years, has recently been interpreted as emission from a shock that enshrouds the pulsar. However, the pressure balance for such a configuration is a crucial unresolved issue. We consider two scenarios for pressure balance: a companion magnetosphere and stellar mass loss with gas dominance. It is found that the magnetospheric scenario requires several kilogauss poloidal field","authors_text":"Alice K. Harding, Christo Venter, Markus B\\\"ottcher, Patrick Kilian, Zorawar Wadiasingh","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-10-30T18:37:07Z","title":"Pressure Balance and Intrabinary Shock Stability in Rotation-Powered State Redback and Transitional Millisecond Pulsar Binary Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.12958","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:b80599cdd6c7d02f663f004aa02ca8b0bd4d5ee0236ebfe713984c6a55189231","target":"record","created_at":"2026-05-17T23:57:37Z","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":"f45ddc3ac625e9fd0c43c1f8a01a5b2e8b976548bd5670ea5e2c84c8c740a11f","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-10-30T18:37:07Z","title_canon_sha256":"ecea560632c32189015fef238783b81d4f1bd5d665f9130262fc4dedd1ea2b90"},"schema_version":"1.0","source":{"id":"1810.12958","kind":"arxiv","version":1}},"canonical_sha256":"f6fd32f5f6eba64b203b2bde02ad5e9d44f0d7d0e61cb537ed65f7a0c52de7c6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f6fd32f5f6eba64b203b2bde02ad5e9d44f0d7d0e61cb537ed65f7a0c52de7c6","first_computed_at":"2026-05-17T23:57:37.861156Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:37.861156Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zxRySYNAXJZv+jrSk/sN7Hzj7ov37mVCgr1GXWGC3u+tzXRTAGYfs8pefHXpqfsaGNI5L2jH2m5Sgncm4cB9Dw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:37.861726Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.12958","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b80599cdd6c7d02f663f004aa02ca8b0bd4d5ee0236ebfe713984c6a55189231","sha256:2d97d6582d90f69c0ebdb5ea26628ef943f5a40cbfa2830a5f02225cc5853d6f"],"state_sha256":"ed43fd42d75cd98d68c62979c2ec408218a2428d9e323b1e95c34eab6efccdb8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FCQL3++4VMUwCggEY6vOMZcFZkdHt+XMDZzEBx2IkdDvjhZX7OSN545h5QEw2SUry2Um7lo3WYaR7sE6N2STCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T16:28:19.788970Z","bundle_sha256":"c92e8db45e7ce7e050b3a0d634c4608bb924d3f9d29af153bafedbc4f7b52b17"}}